52572131 has 4 divisors (see below), whose sum is σ = 53564112. Its totient is φ = 51580152.

The previous prime is 52572119. The next prime is 52572151. The reversal of 52572131 is 13127525.

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 52572131 - 2¹⁰ = 52571107 is a prime.

It is a super-2 number, since 2×52572131² = 5527657915762322, which contains 22 as substring.

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 52572131.

It is not an unprimeable number, because it can be changed into a prime (52572151) 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, 495911 + ... + 496016.

It is an arithmetic number, because the mean of its divisors is an integer number (13391028).

Almost surely, 2^52572131 is an apocalyptic number.

52572131 is a deficient number, since it is larger than the sum of its proper divisors (991981).

52572131 is an equidigital number, since it uses as much as digits as its factorization.

52572131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991980.

The product of its digits is 2100, while the sum is 26.

The square root of 52572131 is about 7250.6641764738. The cubic root of 52572131 is about 374.6150265527.

Adding to 52572131 its reverse (13127525), we get a palindrome (65699656).

The spelling of 52572131 in words is "fifty-two million, five hundred seventy-two thousand, one hundred thirty-one".