252257522 has 32 divisors (see below), whose sum is σ = 424030464. Its totient is φ = 111560400.

The previous prime is 252257503. The next prime is 252257531. The reversal of 252257522 is 225752252.

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, 441497 + ... + 442067.

It is an arithmetic number, because the mean of its divisors is an integer number (13250952).

Almost surely, 2^252257522 is an apocalyptic number.

252257522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

252257522 is a deficient number, since it is larger than the sum of its proper divisors (171772942).

252257522 is a wasteful number, since it uses less digits than its factorization.

252257522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094.

The product of its digits is 28000, while the sum is 32.

The square root of 252257522 is about 15882.6169758009. The cubic root of 252257522 is about 631.8510454520.

The spelling of 252257522 in words is "two hundred fifty-two million, two hundred fifty-seven thousand, five hundred twenty-two".