252025444 has 24 divisors (see below), whose sum is σ = 502060608. Its totient is φ = 109575840.

The previous prime is 252025429. The next prime is 252025471. The reversal of 252025444 is 444520252.

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 7 ways as a sum of consecutive naturals, for example, 123507 + ... + 125530.

It is an arithmetic number, because the mean of its divisors is an integer number (20919192).

Almost surely, 2^252025444 is an apocalyptic number.

It is an amenable number.

252025444 is a deficient number, since it is larger than the sum of its proper divisors (250035164).

252025444 is a wasteful number, since it uses less digits than its factorization.

252025444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249075 (or 249073 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 252025444 is about 15875.3092568302. The cubic root of 252025444 is about 631.6572174435.

Adding to 252025444 its reverse (444520252), we get a palindrome (696545696).

The spelling of 252025444 in words is "two hundred fifty-two million, twenty-five thousand, four hundred forty-four".