2,890,625

Number
$2 \, 890 \, 625$ (two million, eight hundred and ninety thousand, six hundred and twenty-four) is:


 * $5^7 \times 37$


 * The $12$th automorphic number after $1$, $5$, $6$, $25$, $76$, $376$, $625$, $9376$, $90 \, 625$, $109 \, 376$, $890 \, 625$:
 * $2 \, 890 \, 625^2 = 8 \, 355 \, 71 \mathbf {2 \, 890 \, 625}$