252979288 has 16 divisors (see below), whose sum is σ = 474516000. Its totient is φ = 126441696.

The previous prime is 252979283. The next prime is 252979343. The reversal of 252979288 is 882979252.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252979283) 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 3 ways as a sum of consecutive naturals, for example, 27318 + ... + 35386.

It is an arithmetic number, because the mean of its divisors is an integer number (29657250).

Almost surely, 2^252979288 is an apocalyptic number.

It is an amenable number.

252979288 is a deficient number, since it is larger than the sum of its proper divisors (221536712).

252979288 is a wasteful number, since it uses less digits than its factorization.

252979288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11994 (or 11990 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 52.

The square root of 252979288 is about 15905.3226311194. The cubic root of 252979288 is about 632.4530946797.

The spelling of 252979288 in words is "two hundred fifty-two million, nine hundred seventy-nine thousand, two hundred eighty-eight".