252593138 has 24 divisors (see below), whose sum is σ = 442422144. Its totient is φ = 107843400.

The previous prime is 252593111. The next prime is 252593167. The reversal of 252593138 is 831395252.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21803 + ... + 31313.

It is an arithmetic number, because the mean of its divisors is an integer number (18434256).

Almost surely, 2^252593138 is an apocalyptic number.

252593138 is a deficient number, since it is larger than the sum of its proper divisors (189829006).

252593138 is a wasteful number, since it uses less digits than its factorization.

252593138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9798 (or 9791 counting only the distinct ones).

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

The square root of 252593138 is about 15893.1789771587. The cubic root of 252593138 is about 632.1311366639.

The spelling of 252593138 in words is "two hundred fifty-two million, five hundred ninety-three thousand, one hundred thirty-eight".