572461520 has 20 divisors (see below), whose sum is σ = 1330973220. Its totient is φ = 228984576.

The previous prime is 572461493. The next prime is 572461523. The reversal of 572461520 is 25164275.

It can be written as a sum of positive squares in 2 ways, for example, as 455907904 + 116553616 = 21352^2 + 10796^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (572461523) 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, 3577805 + ... + 3577964.

It is an arithmetic number, because the mean of its divisors is an integer number (66548661).

Almost surely, 2^572461520 is an apocalyptic number.

It is an amenable number.

572461520 is an abundant number, since it is smaller than the sum of its proper divisors (758511700).

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

572461520 is a wasteful number, since it uses less digits than its factorization.

572461520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7155782 (or 7155776 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 572461520 is about 23926.1681010562. The cubic root of 572461520 is about 830.3262471267.

The spelling of 572461520 in words is "five hundred seventy-two million, four hundred sixty-one thousand, five hundred twenty".