572157 has 8 divisors (see below), whose sum is σ = 847680. Its totient is φ = 381420.

The previous prime is 572137. The next prime is 572161. The reversal of 572157 is 751275.

It is not a de Polignac number, because 572157 - 2⁶ = 572093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 21191 = 572157 / (5 + 7 + 2 + 1 + 5 + 7).

572157 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 572157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (572107) 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 7 ways as a sum of consecutive naturals, for example, 10569 + ... + 10622.

It is an arithmetic number, because the mean of its divisors is an integer number (105960).

2⁵⁷²¹⁵⁷ is an apocalyptic number.

It is an amenable number.

572157 is a deficient number, since it is larger than the sum of its proper divisors (275523).

572157 is a wasteful number, since it uses less digits than its factorization.

572157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21200 (or 21194 counting only the distinct ones).

The product of its digits is 2450, while the sum is 27.

The square root of 572157 is about 756.4106027813. The cubic root of 572157 is about 83.0178990768.

It can be divided in two parts, 5721 and 57, that added together give a triangular number (5778 = T₁₀₇).

The spelling of 572157 in words is "five hundred seventy-two thousand, one hundred fifty-seven".