45979631 has 2 divisors, whose sum is σ = 45979632. Its totient is φ = 45979630.

The previous prime is 45979627. The next prime is 45979663. The reversal of 45979631 is 13697954.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45979631 - 2² = 45979627 is a prime.

It is a super-2 number, since 2×45979631² = 4228252933792322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45979931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22989815 + 22989816.

It is an arithmetic number, because the mean of its divisors is an integer number (22989816).

Almost surely, 2^45979631 is an apocalyptic number.

45979631 is a deficient number, since it is larger than the sum of its proper divisors (1).

45979631 is an equidigital number, since it uses as much as digits as its factorization.

45979631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 204120, while the sum is 44.

The square root of 45979631 is about 6780.8281942547. The cubic root of 45979631 is about 358.2518929877.

The spelling of 45979631 in words is "forty-five million, nine hundred seventy-nine thousand, six hundred thirty-one".