572891 has 4 divisors (see below), whose sum is σ = 624984. Its totient is φ = 520800.

The previous prime is 572881. The next prime is 572903. The reversal of 572891 is 198275.

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

It is a cyclic number.

It is not a de Polignac number, because 572891 - 2⁶ = 572827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (572801) 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, 26030 + ... + 26051.

It is an arithmetic number, because the mean of its divisors is an integer number (156246).

2⁵⁷²⁸⁹¹ is an apocalyptic number.

572891 is a deficient number, since it is larger than the sum of its proper divisors (52093).

572891 is a wasteful number, since it uses less digits than its factorization.

572891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52092.

The product of its digits is 5040, while the sum is 32.

The square root of 572891 is about 756.8956334925. The cubic root of 572891 is about 83.0533841501.

The spelling of 572891 in words is "five hundred seventy-two thousand, eight hundred ninety-one".