45905291 has 2 divisors, whose sum is σ = 45905292. Its totient is φ = 45905290.

The previous prime is 45905269. The next prime is 45905303. The reversal of 45905291 is 19250954.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45905291 - 2²² = 41710987 is a prime.

It is a Sophie Germain prime.

It is equal to p_2769704 and since 45905291 and 2769704 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (45905191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22952645 + 22952646.

It is an arithmetic number, because the mean of its divisors is an integer number (22952646).

Almost surely, 2^45905291 is an apocalyptic number.

45905291 is a deficient number, since it is larger than the sum of its proper divisors (1).

45905291 is an equidigital number, since it uses as much as digits as its factorization.

45905291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 45905291 is about 6775.3443454927. The cubic root of 45905291 is about 358.0587146086.

The spelling of 45905291 in words is "forty-five million, nine hundred five thousand, two hundred ninety-one".