252565497412 has 6 divisors (see below), whose sum is σ = 441989620478. Its totient is φ = 126282748704.

The previous prime is 252565497367. The next prime is 252565497421. The reversal of 252565497412 is 214794565252.

It can be written as a sum of positive squares in only one way, i.e., 251225498176 + 1339999236 = 501224^2 + 36606^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 252565497412.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31570687173 + ... + 31570687180.

Almost surely, 2^252565497412 is an apocalyptic number.

It is an amenable number.

252565497412 is a deficient number, since it is larger than the sum of its proper divisors (189424123066).

252565497412 is a wasteful number, since it uses less digits than its factorization.

252565497412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63141374357 (or 63141374355 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 52.

The spelling of 252565497412 in words is "two hundred fifty-two billion, five hundred sixty-five million, four hundred ninety-seven thousand, four hundred twelve".