52357131 has 32 divisors (see below), whose sum is σ = 82368000. Its totient is φ = 32798304.

The previous prime is 52357117. The next prime is 52357157. The reversal of 52357131 is 13175325.

52357131 is a `hidden beast` number, since 523 + 5 + 7 + 131 = 666.

52357131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52357131 - 2⁷ = 52357003 is a prime.

It is a super-2 number, since 2×52357131² = 5482538333102322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 52357095 and 52357104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52357231) 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 31 ways as a sum of consecutive naturals, for example, 35925 + ... + 37353.

It is an arithmetic number, because the mean of its divisors is an integer number (2574000).

Almost surely, 2^52357131 is an apocalyptic number.

52357131 is a deficient number, since it is larger than the sum of its proper divisors (30010869).

52357131 is a wasteful number, since it uses less digits than its factorization.

52357131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520 (or 1514 counting only the distinct ones).

The product of its digits is 3150, while the sum is 27.

The square root of 52357131 is about 7235.8227590233. The cubic root of 52357131 is about 374.1036511973.

The spelling of 52357131 in words is "fifty-two million, three hundred fifty-seven thousand, one hundred thirty-one".