6316631 has 2 divisors, whose sum is σ = 6316632. Its totient is φ = 6316630.

The previous prime is 6316627. The next prime is 6316633. The reversal of 6316631 is 1366136.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6316631 - 2² = 6316627 is a prime.

It is a super-2 number, since 2×6316631² = 79799654380322, which contains 22 as substring.

Together with 6316633, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6316631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6316633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3158315 + 3158316.

It is an arithmetic number, because the mean of its divisors is an integer number (3158316).

Almost surely, 2^6316631 is an apocalyptic number.

6316631 is a deficient number, since it is larger than the sum of its proper divisors (1).

6316631 is an equidigital number, since it uses as much as digits as its factorization.

6316631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 26.

The square root of 6316631 is about 2513.2908705520. The cubic root of 6316631 is about 184.8538509723.

The spelling of 6316631 in words is "six million, three hundred sixteen thousand, six hundred thirty-one".