572649652 has 6 divisors (see below), whose sum is σ = 1002136898. Its totient is φ = 286324824.

The previous prime is 572649593. The next prime is 572649697. The reversal of 572649652 is 256946275.

It can be written as a sum of positive squares in only one way, i.e., 509224356 + 63425296 = 22566^2 + 7964^2 .

It is a super-2 number, since 2×572649652² = 655855247871442208, which contains 22 as substring.

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, 71581203 + ... + 71581210.

Almost surely, 2^572649652 is an apocalyptic number.

It is an amenable number.

572649652 is a deficient number, since it is larger than the sum of its proper divisors (429487246).

572649652 is a wasteful number, since it uses less digits than its factorization.

572649652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143162417 (or 143162415 counting only the distinct ones).

The product of its digits is 907200, while the sum is 46.

The square root of 572649652 is about 23930.0992893887. The cubic root of 572649652 is about 830.4171957890.

It can be divided in two parts, 5726496 and 52, that multiplied together give a palindrome (297777792).

The spelling of 572649652 in words is "five hundred seventy-two million, six hundred forty-nine thousand, six hundred fifty-two".