252597855762 has 24 divisors (see below), whose sum is σ = 625480405056. Its totient is φ = 72170815896.

The previous prime is 252597855739. The next prime is 252597855767. The reversal of 252597855762 is 267558795252.

It is a happy number.

252597855762 is a `hidden beast` number, since 2 + 5 + 2 + 5 + 9 + 78 + 557 + 6 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 252597855762.

It is not an unprimeable number, because it can be changed into a prime (252597855767) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1002372318 + ... + 1002372569.

It is an arithmetic number, because the mean of its divisors is an integer number (26061683544).

Almost surely, 2^252597855762 is an apocalyptic number.

252597855762 is an abundant number, since it is smaller than the sum of its proper divisors (372882549294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252597855762 is a wasteful number, since it uses less digits than its factorization.

252597855762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004744902 (or 2004744899 counting only the distinct ones).

The product of its digits is 105840000, while the sum is 63.

The spelling of 252597855762 in words is "two hundred fifty-two billion, five hundred ninety-seven million, eight hundred fifty-five thousand, seven hundred sixty-two".