252908630 has 32 divisors (see below), whose sum is σ = 495784800. Its totient is φ = 92328192.

The previous prime is 252908611. The next prime is 252908651. The reversal of 252908630 is 36809252.

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 15 ways as a sum of consecutive naturals, for example, 641 + ... + 22499.

It is an arithmetic number, because the mean of its divisors is an integer number (15493275).

Almost surely, 2^252908630 is an apocalyptic number.

252908630 is a deficient number, since it is larger than the sum of its proper divisors (242876170).

252908630 is a wasteful number, since it uses less digits than its factorization.

252908630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21968.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 252908630 is about 15903.1012698781. The cubic root of 252908630 is about 632.3942070764.

The spelling of 252908630 in words is "two hundred fifty-two million, nine hundred eight thousand, six hundred thirty".