252639014015 has 4 divisors (see below), whose sum is σ = 303166816824. Its totient is φ = 202111211208.

The previous prime is 252639013981. The next prime is 252639014021. The reversal of 252639014015 is 510410936252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 252639014015 - 2⁶ = 252639013951 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252639014015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25263901397 + ... + 25263901406.

It is an arithmetic number, because the mean of its divisors is an integer number (75791704206).

Almost surely, 2^252639014015 is an apocalyptic number.

252639014015 is a deficient number, since it is larger than the sum of its proper divisors (50527802809).

252639014015 is an equidigital number, since it uses as much as digits as its factorization.

252639014015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50527802808.

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 252639014015 in words is "two hundred fifty-two billion, six hundred thirty-nine million, fourteen thousand, fifteen".