252449031 has 16 divisors (see below), whose sum is σ = 368690400. Its totient is φ = 152936448.

The previous prime is 252448981. The next prime is 252449033. The reversal of 252449031 is 130944252.

It is not a de Polignac number, because 252449031 - 2⁶ = 252448967 is a prime.

It is a super-2 number, since 2×252449031² = 127461026505677922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 252449031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252449033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83866 + ... + 86823.

It is an arithmetic number, because the mean of its divisors is an integer number (23043150).

Almost surely, 2^252449031 is an apocalyptic number.

252449031 is a deficient number, since it is larger than the sum of its proper divisors (116241369).

252449031 is a wasteful number, since it uses less digits than its factorization.

252449031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170738.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 252449031 is about 15888.6447187921. The cubic root of 252449031 is about 632.0109013435.

The spelling of 252449031 in words is "two hundred fifty-two million, four hundred forty-nine thousand, thirty-one".