252512502639 has 8 divisors (see below), whose sum is σ = 336885798912. Its totient is φ = 168240437400.

The previous prime is 252512502581. The next prime is 252512502643. The reversal of 252512502639 is 936205215252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 252512502639 - 2⁹ = 252512502127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252512502639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252512502439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25301937 + ... + 25311914.

It is an arithmetic number, because the mean of its divisors is an integer number (42110724864).

Almost surely, 2^252512502639 is an apocalyptic number.

252512502639 is a deficient number, since it is larger than the sum of its proper divisors (84373296273).

252512502639 is a wasteful number, since it uses less digits than its factorization.

252512502639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50615517.

The product of its (nonzero) digits is 324000, while the sum is 42.

The spelling of 252512502639 in words is "two hundred fifty-two billion, five hundred twelve million, five hundred two thousand, six hundred thirty-nine".