252920812 has 6 divisors (see below), whose sum is σ = 442611428. Its totient is φ = 126460404.

The previous prime is 252920809. The next prime is 252920819. The reversal of 252920812 is 218029252.

It is not an unprimeable number, because it can be changed into a prime (252920819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31615098 + ... + 31615105.

Almost surely, 2^252920812 is an apocalyptic number.

It is an amenable number.

252920812 is a deficient number, since it is larger than the sum of its proper divisors (189690616).

252920812 is a wasteful number, since it uses less digits than its factorization.

252920812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63230207 (or 63230205 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 252920812 is about 15903.4842723222. The cubic root of 252920812 is about 632.4043605490.

The spelling of 252920812 in words is "two hundred fifty-two million, nine hundred twenty thousand, eight hundred twelve".