572320513 has 4 divisors (see below), whose sum is σ = 572440000. Its totient is φ = 572201028.

The previous prime is 572320391. The next prime is 572320531. The reversal of 572320513 is 315023275.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 572320513 - 2¹⁷ = 572189441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (572324513) 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, 52245 + ... + 62242.

It is an arithmetic number, because the mean of its divisors is an integer number (143110000).

Almost surely, 2^572320513 is an apocalyptic number.

It is an amenable number.

572320513 is a deficient number, since it is larger than the sum of its proper divisors (119487).

572320513 is a wasteful number, since it uses less digits than its factorization.

572320513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119486.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 572320513 is about 23923.2212086918. The cubic root of 572320513 is about 830.2580670404.

Adding to 572320513 its reverse (315023275), we get a palindrome (887343788).

The spelling of 572320513 in words is "five hundred seventy-two million, three hundred twenty thousand, five hundred thirteen".