252109244 has 6 divisors (see below), whose sum is σ = 441191184. Its totient is φ = 126054620.

The previous prime is 252109243. The next prime is 252109343. The reversal of 252109244 is 442901252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252109241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31513652 + ... + 31513659.

It is an arithmetic number, because the mean of its divisors is an integer number (73531864).

Almost surely, 2^252109244 is an apocalyptic number.

It is an amenable number.

252109244 is a deficient number, since it is larger than the sum of its proper divisors (189081940).

252109244 is a wasteful number, since it uses less digits than its factorization.

252109244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63027315 (or 63027313 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 252109244 is about 15877.9483561322. The cubic root of 252109244 is about 631.7272196468.

The spelling of 252109244 in words is "two hundred fifty-two million, one hundred nine thousand, two hundred forty-four".