725

Number
$725$ (seven hundred and twenty-five) is:


 * $5^2 \times 29$


 * The $4$th positive integer after $325$, $425$, $650$ which can be expressed as the sum of two square numbers in $3$ distinct ways:
 * $725 = 26^2 + 7^2 = 25^2 + 10^2 = 23^3 + 14^2$