421362175252 has 6 divisors (see below), whose sum is σ = 737383806698. Its totient is φ = 210681087624.

The previous prime is 421362175211. The next prime is 421362175291. The reversal of 421362175252 is 252571263124.

It can be written as a sum of positive squares in only one way, i.e., 345139800196 + 76222375056 = 587486^2 + 276084^2 .

It is a super-2 number, since 2×421362175252² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52670271903 + ... + 52670271910.

Almost surely, 2^421362175252 is an apocalyptic number.

It is an amenable number.

421362175252 is a deficient number, since it is larger than the sum of its proper divisors (316021631446).

421362175252 is a wasteful number, since it uses less digits than its factorization.

421362175252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105340543817 (or 105340543815 counting only the distinct ones).

The product of its digits is 201600, while the sum is 40.

The spelling of 421362175252 in words is "four hundred twenty-one billion, three hundred sixty-two million, one hundred seventy-five thousand, two hundred fifty-two".