572113891 has 8 divisors (see below), whose sum is σ = 597229344. Its totient is φ = 547018560.

The previous prime is 572113879. The next prime is 572113901. The reversal of 572113891 is 198311275.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 572113891 - 2¹⁵ = 572081123 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 572113891.

It is not an unprimeable number, because it can be changed into a prime (572113831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99721 + ... + 105301.

It is an arithmetic number, because the mean of its divisors is an integer number (74653668).

Almost surely, 2^572113891 is an apocalyptic number.

572113891 is a deficient number, since it is larger than the sum of its proper divisors (25115453).

572113891 is a wasteful number, since it uses less digits than its factorization.

572113891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10061.

The product of its digits is 15120, while the sum is 37.

The square root of 572113891 is about 23918.9023786628. The cubic root of 572113891 is about 830.1581403809.

The spelling of 572113891 in words is "five hundred seventy-two million, one hundred thirteen thousand, eight hundred ninety-one".