479513831 has 2 divisors, whose sum is σ = 479513832. Its totient is φ = 479513830.

The previous prime is 479513803. The next prime is 479513833. The reversal of 479513831 is 138315974.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 479513831 - 2²² = 475319527 is a prime.

It is a super-2 number, since 2×479513831² = 459867028240593122, which contains 22 as substring.

Together with 479513833, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (479513833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239756915 + 239756916.

It is an arithmetic number, because the mean of its divisors is an integer number (239756916).

Almost surely, 2^479513831 is an apocalyptic number.

479513831 is a deficient number, since it is larger than the sum of its proper divisors (1).

479513831 is an equidigital number, since it uses as much as digits as its factorization.

479513831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 41.

The square root of 479513831 is about 21897.8042506549. The cubic root of 479513831 is about 782.7090934795.

The spelling of 479513831 in words is "four hundred seventy-nine million, five hundred thirteen thousand, eight hundred thirty-one".