572285161 has 12 divisors (see below), whose sum is σ = 704880468. Its totient is φ = 461674752.

The previous prime is 572285143. The next prime is 572285173. The reversal of 572285161 is 161582275.

It can be written as a sum of positive squares in 2 ways, for example, as 402764761 + 169520400 = 20069^2 + 13020^2 .

It is a de Polignac number, because none of the positive numbers 2^k-572285161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 572285161.

It is not an unprimeable number, because it can be changed into a prime (572285561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 342676 + ... + 344341.

It is an arithmetic number, because the mean of its divisors is an integer number (58740039).

Almost surely, 2^572285161 is an apocalyptic number.

It is an amenable number.

572285161 is a deficient number, since it is larger than the sum of its proper divisors (132595307).

572285161 is a wasteful number, since it uses less digits than its factorization.

572285161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687048 (or 687041 counting only the distinct ones).

The product of its digits is 33600, while the sum is 37.

The square root of 572285161 is about 23922.4823335707. The cubic root of 572285161 is about 830.2409717899.

The spelling of 572285161 in words is "five hundred seventy-two million, two hundred eighty-five thousand, one hundred sixty-one".