537157531 has 12 divisors (see below), whose sum is σ = 567869832. Its totient is φ = 508031424.

The previous prime is 537157487. The next prime is 537157541. The reversal of 537157531 is 135751735.

It is a happy number.

It is not a de Polignac number, because 537157531 - 2⁷ = 537157403 is a prime.

It is a super-2 number, since 2×537157531² = 577076426220031922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (537157541) 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 11 ways as a sum of consecutive naturals, for example, 351936 + ... + 353458.

It is an arithmetic number, because the mean of its divisors is an integer number (47322486).

Almost surely, 2^537157531 is an apocalyptic number.

537157531 is a deficient number, since it is larger than the sum of its proper divisors (30712301).

537157531 is a wasteful number, since it uses less digits than its factorization.

537157531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2538 (or 2519 counting only the distinct ones).

The product of its digits is 55125, while the sum is 37.

The square root of 537157531 is about 23176.6591854823. The cubic root of 537157531 is about 812.8939469018.

The spelling of 537157531 in words is "five hundred thirty-seven million, one hundred fifty-seven thousand, five hundred thirty-one".