52931831 has 2 divisors, whose sum is σ = 52931832. Its totient is φ = 52931830.

The previous prime is 52931797. The next prime is 52931843. The reversal of 52931831 is 13813925.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52931831 is a prime.

It is a super-2 number, since 2×52931831² = 5603557466025122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52901831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26465915 + 26465916.

It is an arithmetic number, because the mean of its divisors is an integer number (26465916).

Almost surely, 2^52931831 is an apocalyptic number.

52931831 is a deficient number, since it is larger than the sum of its proper divisors (1).

52931831 is an equidigital number, since it uses as much as digits as its factorization.

52931831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 32.

The square root of 52931831 is about 7275.4265167068. The cubic root of 52931831 is about 375.4674608906.

The spelling of 52931831 in words is "fifty-two million, nine hundred thirty-one thousand, eight hundred thirty-one".