diff --git a/homeassistant/components/esphome/number.py b/homeassistant/components/esphome/number.py
index 4e27d45bf61..786512f3a42 100644
--- a/homeassistant/components/esphome/number.py
+++ b/homeassistant/components/esphome/number.py
@@ -3,11 +3,16 @@ from __future__ import annotations
 
 import math
 
-from aioesphomeapi import NumberInfo, NumberMode as EsphomeNumberMode, NumberState
+from aioesphomeapi import (
+    EntityInfo,
+    NumberInfo,
+    NumberMode as EsphomeNumberMode,
+    NumberState,
+)
 
 from homeassistant.components.number import NumberDeviceClass, NumberEntity, NumberMode
 from homeassistant.config_entries import ConfigEntry
-from homeassistant.core import HomeAssistant
+from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.util.enum import try_parse_enum
 
@@ -44,48 +49,34 @@ NUMBER_MODES: EsphomeEnumMapper[EsphomeNumberMode, NumberMode] = EsphomeEnumMapp
 class EsphomeNumber(EsphomeEntity[NumberInfo, NumberState], NumberEntity):
     """A number implementation for esphome."""
 
-    @property
-    def device_class(self) -> NumberDeviceClass | None:
-        """Return the class of this entity."""
-        return try_parse_enum(NumberDeviceClass, self._static_info.device_class)
-
-    @property
-    def native_min_value(self) -> float:
-        """Return the minimum value."""
-        return self._static_info.min_value
-
-    @property
-    def native_max_value(self) -> float:
-        """Return the maximum value."""
-        return self._static_info.max_value
-
-    @property
-    def native_step(self) -> float:
-        """Return the increment/decrement step."""
-        return self._static_info.step
-
-    @property
-    def native_unit_of_measurement(self) -> str | None:
-        """Return the unit of measurement."""
-        return self._static_info.unit_of_measurement
-
-    @property
-    def mode(self) -> NumberMode:
-        """Return the mode of the entity."""
-        if self._static_info.mode:
-            return NUMBER_MODES.from_esphome(self._static_info.mode)
-        return NumberMode.AUTO
+    @callback
+    def _on_static_info_update(self, static_info: EntityInfo) -> None:
+        """Set attrs from static info."""
+        super()._on_static_info_update(static_info)
+        static_info = self._static_info
+        self._attr_device_class = try_parse_enum(
+            NumberDeviceClass, self._static_info.device_class
+        )
+        self._attr_native_min_value = static_info.min_value
+        self._attr_native_max_value = static_info.max_value
+        self._attr_native_step = static_info.step
+        self._attr_native_unit_of_measurement = static_info.unit_of_measurement
+        if mode := static_info.mode:
+            self._attr_mode = NUMBER_MODES.from_esphome(mode)
+        else:
+            self._attr_mode = NumberMode.AUTO
 
     @property
     @esphome_state_property
     def native_value(self) -> float | None:
         """Return the state of the entity."""
-        if math.isnan(self._state.state):
+        state = self._state
+        if math.isnan(state.state):
             return None
-        if self._state.missing_state:
+        if state.missing_state:
             return None
-        return self._state.state
+        return state.state
 
     async def async_set_native_value(self, value: float) -> None:
         """Update the current value."""
-        await self._client.number_command(self._static_info.key, value)
+        await self._client.number_command(self._key, value)