6,700,417

Number
$6 \, 700 \, 417$ is:


 * The $457 \, 523$rd prime number


 * One of the two prime factors of the $6$th Fermat number $2^{\left({2^5}\right)} + 1$, the other being $641$

Also see

 * Prime Decomposition of $6$th Fermat Number