572506820 has 12 divisors (see below), whose sum is σ = 1202264364. Its totient is φ = 229002720.

The previous prime is 572506819. The next prime is 572506843. The reversal of 572506820 is 28605275.

572506820 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 231587524 + 340919296 = 15218^2 + 18464^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14312651 + ... + 14312690.

It is an arithmetic number, because the mean of its divisors is an integer number (100188697).

Almost surely, 2^572506820 is an apocalyptic number.

It is an amenable number.

572506820 is an abundant number, since it is smaller than the sum of its proper divisors (629757544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

572506820 is a wasteful number, since it uses less digits than its factorization.

572506820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28625350 (or 28625348 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 572506820 is about 23927.1147445738. The cubic root of 572506820 is about 830.3481483291.

The spelling of 572506820 in words is "five hundred seventy-two million, five hundred six thousand, eight hundred twenty".