45631507 has 2 divisors, whose sum is σ = 45631508. Its totient is φ = 45631506.

The previous prime is 45631499. The next prime is 45631543. The reversal of 45631507 is 70513654.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45631507 - 2³ = 45631499 is a prime.

It is not a weakly prime, because it can be changed into another prime (45631207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22815753 + 22815754.

It is an arithmetic number, because the mean of its divisors is an integer number (22815754).

Almost surely, 2^45631507 is an apocalyptic number.

45631507 is a deficient number, since it is larger than the sum of its proper divisors (1).

45631507 is an equidigital number, since it uses as much as digits as its factorization.

45631507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 45631507 is about 6755.1096956304. The cubic root of 45631507 is about 357.3454614310.

The spelling of 45631507 in words is "forty-five million, six hundred thirty-one thousand, five hundred seven".