252699164 has 12 divisors (see below), whose sum is σ = 465498600. Its totient is φ = 119699568.

The previous prime is 252699163. The next prime is 252699173. The reversal of 252699164 is 461996252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252699163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1662419 + ... + 1662570.

It is an arithmetic number, because the mean of its divisors is an integer number (38791550).

Almost surely, 2^252699164 is an apocalyptic number.

It is an amenable number.

252699164 is a deficient number, since it is larger than the sum of its proper divisors (212799436).

252699164 is a wasteful number, since it uses less digits than its factorization.

252699164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3325012 (or 3325010 counting only the distinct ones).

The product of its digits is 233280, while the sum is 44.

The square root of 252699164 is about 15896.5142090963. The cubic root of 252699164 is about 632.2195699986.

The spelling of 252699164 in words is "two hundred fifty-two million, six hundred ninety-nine thousand, one hundred sixty-four".