375

Number
$375$ (three hundred and seventy-five) is:


 * $3 \times 5^3$


 * The $16$th trimorphic number after $1$, $4$, $5$, $6$, $9$, $24$, $25$, $49$, $51$, $75$, $76$, $99$, $125$, $249$, $251$:
 * $375^3 = 52 \, 734 \, \mathbf {375}$