252765244 has 12 divisors (see below), whose sum is σ = 446473944. Its totient is φ = 125201264.

The previous prime is 252765221. The next prime is 252765259. The reversal of 252765244 is 442567252.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 294859 + ... + 295714.

It is an arithmetic number, because the mean of its divisors is an integer number (37206162).

Almost surely, 2^252765244 is an apocalyptic number.

It is an amenable number.

252765244 is a deficient number, since it is larger than the sum of its proper divisors (193708700).

252765244 is a wasteful number, since it uses less digits than its factorization.

252765244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590684 (or 590682 counting only the distinct ones).

The product of its digits is 134400, while the sum is 37.

The square root of 252765244 is about 15898.5925163204. The cubic root of 252765244 is about 632.2746729750.

It can be divided in two parts, 252765 and 244, that added together give a square (253009 = 503²).

The spelling of 252765244 in words is "two hundred fifty-two million, seven hundred sixty-five thousand, two hundred forty-four".