252886506 has 16 divisors (see below), whose sum is σ = 506417184. Its totient is φ = 84188144.

The previous prime is 252886489. The next prime is 252886511. The reversal of 252886506 is 605688252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21660 + ... + 31223.

It is an arithmetic number, because the mean of its divisors is an integer number (31651074).

Almost surely, 2^252886506 is an apocalyptic number.

252886506 is an abundant number, since it is smaller than the sum of its proper divisors (253530678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252886506 is a wasteful number, since it uses less digits than its factorization.

252886506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53685.

The product of its (nonzero) digits is 230400, while the sum is 42.

The square root of 252886506 is about 15902.4056670681. The cubic root of 252886506 is about 632.3757662961.

The spelling of 252886506 in words is "two hundred fifty-two million, eight hundred eighty-six thousand, five hundred six".