252451244 has 24 divisors (see below), whose sum is σ = 446586000. Its totient is φ = 124862400.

The previous prime is 252451231. The next prime is 252451253. The reversal of 252451244 is 442154252.

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, 193394 + ... + 194694.

It is an arithmetic number, because the mean of its divisors is an integer number (18607750).

Almost surely, 2^252451244 is an apocalyptic number.

It is an amenable number.

252451244 is a deficient number, since it is larger than the sum of its proper divisors (194134756).

252451244 is a wasteful number, since it uses less digits than its factorization.

252451244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793 (or 1791 counting only the distinct ones).

The product of its digits is 12800, while the sum is 29.

The square root of 252451244 is about 15888.7143595698. The cubic root of 252451244 is about 632.0127481005.

The spelling of 252451244 in words is "two hundred fifty-two million, four hundred fifty-one thousand, two hundred forty-four".