90,625

Number
$90 \, 625$ (ninety thousand, six hundred and twenty-five) is:


 * $5^5 \times 29$


 * The $9$th automorphic number after $1$, $5$, $6$, $25$, $76$, $376$, $625$, $9376$:
 * $90 \, 625^2 = 8 \, 212 \, 8 \mathbf{90 \, 625}$


 * and the only automorphic number with $5$ digits which does not begin with a zero

Also see

 * Automorphic Numbers with 5 Digits