45875491 has 2 divisors, whose sum is σ = 45875492. Its totient is φ = 45875490.

The previous prime is 45875483. The next prime is 45875497. The reversal of 45875491 is 19457854.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45875491 - 2³ = 45875483 is a prime.

It is not a weakly prime, because it can be changed into another prime (45875497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22937745 + 22937746.

It is an arithmetic number, because the mean of its divisors is an integer number (22937746).

Almost surely, 2^45875491 is an apocalyptic number.

45875491 is a deficient number, since it is larger than the sum of its proper divisors (1).

45875491 is an equidigital number, since it uses as much as digits as its factorization.

45875491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201600, while the sum is 43.

The square root of 45875491 is about 6773.1448382565. The cubic root of 45875491 is about 357.9812183899.

The spelling of 45875491 in words is "forty-five million, eight hundred seventy-five thousand, four hundred ninety-one".