45631051 has 2 divisors, whose sum is σ = 45631052. Its totient is φ = 45631050.

The previous prime is 45631021. The next prime is 45631063. The reversal of 45631051 is 15013654.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45631051 - 2²¹ = 43533899 is a prime.

It is not a weakly prime, because it can be changed into another prime (45631021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22815525 + 22815526.

It is an arithmetic number, because the mean of its divisors is an integer number (22815526).

Almost surely, 2^45631051 is an apocalyptic number.

45631051 is a deficient number, since it is larger than the sum of its proper divisors (1).

45631051 is an equidigital number, since it uses as much as digits as its factorization.

45631051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 45631051 is about 6755.0759433185. The cubic root of 45631051 is about 357.3442710980.

The spelling of 45631051 in words is "forty-five million, six hundred thirty-one thousand, fifty-one".