5477

Number
$5477$ (five thousand, four hundred and seventy-seven) is:


 * The $723$rd prime number


 * The $16$th prime number of the form $n^2 + 1$ after $2$, $5$, $17$, $37$, $101$, $197$, $257$, $401$, $577$, $677$, $1297$, $1601$, $2917$, $3137$, $4357$:
 * $5477 = 74^2 + 1$