572564473 has 4 divisors (see below), whose sum is σ = 616607908. Its totient is φ = 528521040.

The previous prime is 572564441. The next prime is 572564521. The reversal of 572564473 is 374465275.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 61261929 + 511302544 = 7827^2 + 22612^2 .

It is a cyclic number.

It is not a de Polignac number, because 572564473 - 2⁵ = 572564441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (572564423) by changing a digit.

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, 22021698 + ... + 22021723.

It is an arithmetic number, because the mean of its divisors is an integer number (154151977).

Almost surely, 2^572564473 is an apocalyptic number.

It is an amenable number.

572564473 is a deficient number, since it is larger than the sum of its proper divisors (44043435).

572564473 is a wasteful number, since it uses less digits than its factorization.

572564473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44043434.

The product of its digits is 705600, while the sum is 43.

The square root of 572564473 is about 23928.3194771384. The cubic root of 572564473 is about 830.3760201688.

The spelling of 572564473 in words is "five hundred seventy-two million, five hundred sixty-four thousand, four hundred seventy-three".