252947584 has 32 divisors (see below), whose sum is σ = 505019340. Its totient is φ = 126197760.

The previous prime is 252947557. The next prime is 252947587. The reversal of 252947584 is 485749252.

It can be written as a sum of positive squares in 2 ways, for example, as 233233984 + 19713600 = 15272^2 + 4440^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (252947587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64792 + ... + 68584.

Almost surely, 2^252947584 is an apocalyptic number.

It is an amenable number.

252947584 is a deficient number, since it is larger than the sum of its proper divisors (252071756).

252947584 is an equidigital number, since it uses as much as digits as its factorization.

252947584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4328 (or 4316 counting only the distinct ones).

The product of its digits is 806400, while the sum is 46.

The square root of 252947584 is about 15904.3259523942. The cubic root of 252947584 is about 632.4266733723.

The spelling of 252947584 in words is "two hundred fifty-two million, nine hundred forty-seven thousand, five hundred eighty-four".