537172931 has 2 divisors, whose sum is σ = 537172932. Its totient is φ = 537172930.

The previous prime is 537172927. The next prime is 537172963. The reversal of 537172931 is 139271735.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 537172931 - 2² = 537172927 is a prime.

It is a super-2 number, since 2×537172931² = 577109515598261522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (537172901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268586465 + 268586466.

It is an arithmetic number, because the mean of its divisors is an integer number (268586466).

Almost surely, 2^537172931 is an apocalyptic number.

537172931 is a deficient number, since it is larger than the sum of its proper divisors (1).

537172931 is an equidigital number, since it uses as much as digits as its factorization.

537172931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39690, while the sum is 38.

The square root of 537172931 is about 23176.9914139001. The cubic root of 537172931 is about 812.9017152294.

The spelling of 537172931 in words is "five hundred thirty-seven million, one hundred seventy-two thousand, nine hundred thirty-one".