572137481 has 4 divisors (see below), whose sum is σ = 602250000. Its totient is φ = 542024964.

The previous prime is 572137477. The next prime is 572137507. The reversal of 572137481 is 184731275.

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 572137481 - 2² = 572137477 is a prime.

It is a super-2 number, since 2×572137481² = 654682594330050722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (572137441) 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, 15056231 + ... + 15056268.

It is an arithmetic number, because the mean of its divisors is an integer number (150562500).

Almost surely, 2^572137481 is an apocalyptic number.

It is an amenable number.

572137481 is a deficient number, since it is larger than the sum of its proper divisors (30112519).

572137481 is a wasteful number, since it uses less digits than its factorization.

572137481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30112518.

The product of its digits is 47040, while the sum is 38.

The square root of 572137481 is about 23919.3954982144. The cubic root of 572137481 is about 830.1695502078.

The spelling of 572137481 in words is "five hundred seventy-two million, one hundred thirty-seven thousand, four hundred eighty-one".