45382591 has 2 divisors, whose sum is σ = 45382592. Its totient is φ = 45382590.

The previous prime is 45382559. The next prime is 45382607. The reversal of 45382591 is 19528354.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45382591 - 2⁵ = 45382559 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45382591.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45382511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22691295 + 22691296.

It is an arithmetic number, because the mean of its divisors is an integer number (22691296).

Almost surely, 2^45382591 is an apocalyptic number.

45382591 is a deficient number, since it is larger than the sum of its proper divisors (1).

45382591 is an equidigital number, since it uses as much as digits as its factorization.

45382591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 37.

The square root of 45382591 is about 6736.6602259577. The cubic root of 45382591 is about 356.6945133100.

The spelling of 45382591 in words is "forty-five million, three hundred eighty-two thousand, five hundred ninety-one".