45513427 has 2 divisors, whose sum is σ = 45513428. Its totient is φ = 45513426.

The previous prime is 45513421. The next prime is 45513431. The reversal of 45513427 is 72431554.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45513427 - 2²³ = 37124819 is a prime.

It is not a weakly prime, because it can be changed into another prime (45513421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22756713 + 22756714.

It is an arithmetic number, because the mean of its divisors is an integer number (22756714).

Almost surely, 2^45513427 is an apocalyptic number.

45513427 is a deficient number, since it is larger than the sum of its proper divisors (1).

45513427 is an equidigital number, since it uses as much as digits as its factorization.

45513427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16800, while the sum is 31.

The square root of 45513427 is about 6746.3639836582. The cubic root of 45513427 is about 357.0369625934.

The spelling of 45513427 in words is "forty-five million, five hundred thirteen thousand, four hundred twenty-seven".