252521015244 has 12 divisors (see below), whose sum is σ = 589215702264. Its totient is φ = 84173671744.

The previous prime is 252521015209. The next prime is 252521015251. The reversal of 252521015244 is 442510125252.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10521708957 + ... + 10521708980.

It is an arithmetic number, because the mean of its divisors is an integer number (49101308522).

Almost surely, 2^252521015244 is an apocalyptic number.

It is an amenable number.

252521015244 is an abundant number, since it is smaller than the sum of its proper divisors (336694687020).

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

252521015244 is a wasteful number, since it uses less digits than its factorization.

252521015244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21043417944 (or 21043417942 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 33.

The spelling of 252521015244 in words is "two hundred fifty-two billion, five hundred twenty-one million, fifteen thousand, two hundred forty-four".