252257612 has 6 divisors (see below), whose sum is σ = 441450828. Its totient is φ = 126128804.

The previous prime is 252257591. The next prime is 252257639. The reversal of 252257612 is 216752252.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31532198 + ... + 31532205.

It is an arithmetic number, because the mean of its divisors is an integer number (73575138).

Almost surely, 2^252257612 is an apocalyptic number.

It is an amenable number.

252257612 is a deficient number, since it is larger than the sum of its proper divisors (189193216).

252257612 is a wasteful number, since it uses less digits than its factorization.

252257612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63064407 (or 63064405 counting only the distinct ones).

The product of its digits is 16800, while the sum is 32.

The square root of 252257612 is about 15882.6198090869. The cubic root of 252257612 is about 631.8511205956.

The spelling of 252257612 in words is "two hundred fifty-two million, two hundred fifty-seven thousand, six hundred twelve".