252715650512 has 40 divisors (see below), whose sum is σ = 529177562760. Its totient is φ = 116222883840.

The previous prime is 252715650487. The next prime is 252715650553. The reversal of 252715650512 is 215056517252.

It can be written as a sum of positive squares in 4 ways, for example, as 42900351376 + 209815299136 = 207124^2 + 458056^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 252715650512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2103437 + ... + 2220332.

It is an arithmetic number, because the mean of its divisors is an integer number (13229439069).

Almost surely, 2^252715650512 is an apocalyptic number.

It is an amenable number.

252715650512 is an abundant number, since it is smaller than the sum of its proper divisors (276461912248).

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

252715650512 is a wasteful number, since it uses less digits than its factorization.

252715650512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4324071 (or 4324065 counting only the distinct ones).

The product of its (nonzero) digits is 210000, while the sum is 41.

The spelling of 252715650512 in words is "two hundred fifty-two billion, seven hundred fifteen million, six hundred fifty thousand, five hundred twelve".