252582644 has 6 divisors (see below), whose sum is σ = 442019634. Its totient is φ = 126291320.

The previous prime is 252582613. The next prime is 252582667. The reversal of 252582644 is 446285252.

It can be written as a sum of positive squares in only one way, i.e., 250588900 + 1993744 = 15830^2 + 1412^2 .

It is a junction number, because it is equal to n+sod(n) for n = 252582598 and 252582607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31572827 + ... + 31572834.

It is an arithmetic number, because the mean of its divisors is an integer number (73669939).

Almost surely, 2^252582644 is an apocalyptic number.

It is an amenable number.

252582644 is a deficient number, since it is larger than the sum of its proper divisors (189436990).

252582644 is a wasteful number, since it uses less digits than its factorization.

252582644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63145665 (or 63145663 counting only the distinct ones).

The product of its digits is 153600, while the sum is 38.

The square root of 252582644 is about 15892.8488321006. The cubic root of 252582644 is about 632.1223825649.

The spelling of 252582644 in words is "two hundred fifty-two million, five hundred eighty-two thousand, six hundred forty-four".