252587581652 has 24 divisors (see below), whose sum is σ = 518828548224. Its totient is φ = 105326095392.

The previous prime is 252587581627. The next prime is 252587581679. The reversal of 252587581652 is 256185785252.

It is a happy number.

252587581652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121904168 + ... + 121906239.

It is an arithmetic number, because the mean of its divisors is an integer number (21617856176).

Almost surely, 2^252587581652 is an apocalyptic number.

It is an amenable number.

252587581652 is an abundant number, since it is smaller than the sum of its proper divisors (266240966572).

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

252587581652 is a wasteful number, since it uses less digits than its factorization.

252587581652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243810455 (or 243810453 counting only the distinct ones).

The product of its digits is 13440000, while the sum is 56.

The spelling of 252587581652 in words is "two hundred fifty-two billion, five hundred eighty-seven million, five hundred eighty-one thousand, six hundred fifty-two".