475633831 has 2 divisors, whose sum is σ = 475633832. Its totient is φ = 475633830.

The previous prime is 475633811. The next prime is 475633841. The reversal of 475633831 is 138336574.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-475633831 is a prime.

It is a super-2 number, since 2×475633831² = 452455082383473122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (475633811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237816915 + 237816916.

It is an arithmetic number, because the mean of its divisors is an integer number (237816916).

Almost surely, 2^475633831 is an apocalyptic number.

475633831 is a deficient number, since it is larger than the sum of its proper divisors (1).

475633831 is an equidigital number, since it uses as much as digits as its factorization.

475633831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 40.

The square root of 475633831 is about 21809.0309505031. The cubic root of 475633831 is about 780.5922693185.

The spelling of 475633831 in words is "four hundred seventy-five million, six hundred thirty-three thousand, eight hundred thirty-one".