252642364 has 24 divisors (see below), whose sum is σ = 489005888. Its totient is φ = 113451840.

The previous prime is 252642347. The next prime is 252642409. The reversal of 252642364 is 463246252.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63732 + ... + 67579.

Almost surely, 2^252642364 is an apocalyptic number.

It is an amenable number.

252642364 is a deficient number, since it is larger than the sum of its proper divisors (236363524).

252642364 is a wasteful number, since it uses less digits than its factorization.

252642364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131365 (or 131363 counting only the distinct ones).

The product of its digits is 69120, while the sum is 34.

The square root of 252642364 is about 15894.7275535002. The cubic root of 252642364 is about 632.1721977769.

The spelling of 252642364 in words is "two hundred fifty-two million, six hundred forty-two thousand, three hundred sixty-four".