252388685 has 16 divisors (see below), whose sum is σ = 319238400. Its totient is φ = 191025216.

The previous prime is 252388679. The next prime is 252388693. The reversal of 252388685 is 586883252.

252388685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 252388685 - 2⁶ = 252388621 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97427 + ... + 99983.

It is an arithmetic number, because the mean of its divisors is an integer number (19952400).

Almost surely, 2^252388685 is an apocalyptic number.

It is an amenable number.

252388685 is a deficient number, since it is larger than the sum of its proper divisors (66849715).

252388685 is a wasteful number, since it uses less digits than its factorization.

252388685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3620.

The product of its digits is 921600, while the sum is 47.

The square root of 252388685 is about 15886.7455761084. The cubic root of 252388685 is about 631.9605382147.

The spelling of 252388685 in words is "two hundred fifty-two million, three hundred eighty-eight thousand, six hundred eighty-five".