474957631 has 2 divisors, whose sum is σ = 474957632. Its totient is φ = 474957630.

The previous prime is 474957629. The next prime is 474957647. The reversal of 474957631 is 136759474.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 474957631 - 2¹ = 474957629 is a prime.

It is a super-3 number, since 3×474957631³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 474957629, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (474957601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237478815 + 237478816.

It is an arithmetic number, because the mean of its divisors is an integer number (237478816).

Almost surely, 2^474957631 is an apocalyptic number.

474957631 is a deficient number, since it is larger than the sum of its proper divisors (1).

474957631 is an equidigital number, since it uses as much as digits as its factorization.

474957631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 46.

The square root of 474957631 is about 21793.5226845042. The cubic root of 474957631 is about 780.2221759159. Note that the first 3 decimals are identical.

The spelling of 474957631 in words is "four hundred seventy-four million, nine hundred fifty-seven thousand, six hundred thirty-one".