252992685 has 32 divisors (see below), whose sum is σ = 442920960. Its totient is φ = 122292800.

The previous prime is 252992647. The next prime is 252992731. The reversal of 252992685 is 586299252.

It is not a de Polignac number, because 252992685 - 2¹¹ = 252990637 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57100 + ... + 61370.

It is an arithmetic number, because the mean of its divisors is an integer number (13841280).

Almost surely, 2^252992685 is an apocalyptic number.

It is an amenable number.

252992685 is a deficient number, since it is larger than the sum of its proper divisors (189928275).

252992685 is a wasteful number, since it uses less digits than its factorization.

252992685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4649.

The product of its digits is 777600, while the sum is 48.

The square root of 252992685 is about 15905.7437738699. The cubic root of 252992685 is about 632.4642587354.

The spelling of 252992685 in words is "two hundred fifty-two million, nine hundred ninety-two thousand, six hundred eighty-five".