252405152 has 12 divisors (see below), whose sum is σ = 496922706. Its totient is φ = 126202560.

The previous prime is 252405091. The next prime is 252405199. The reversal of 252405152 is 251504252.

It can be written as a sum of positive squares in only one way, i.e., 151683856 + 100721296 = 12316^2 + 10036^2 .

It is a super-2 number, since 2×252405152² = 127416721512286208, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 3943799 + ... + 3943862.

Almost surely, 2^252405152 is an apocalyptic number.

It is an amenable number.

252405152 is a deficient number, since it is larger than the sum of its proper divisors (244517554).

252405152 is an equidigital number, since it uses as much as digits as its factorization.

252405152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7887671 (or 7887663 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 252405152 is about 15887.2638298733. The cubic root of 252405152 is about 631.9742819209.

The spelling of 252405152 in words is "two hundred fifty-two million, four hundred five thousand, one hundred fifty-two".