45208589 has 2 divisors, whose sum is σ = 45208590. Its totient is φ = 45208588.

The previous prime is 45208549. The next prime is 45208591. The reversal of 45208589 is 98580254.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43626025 + 1582564 = 6605^2 + 1258^2 .

It is a cyclic number.

It is not a de Polignac number, because 45208589 - 2⁸ = 45208333 is a prime.

It is a Sophie Germain prime.

Together with 45208591, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45208519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22604294 + 22604295.

It is an arithmetic number, because the mean of its divisors is an integer number (22604295).

Almost surely, 2^45208589 is an apocalyptic number.

It is an amenable number.

45208589 is a deficient number, since it is larger than the sum of its proper divisors (1).

45208589 is an equidigital number, since it uses as much as digits as its factorization.

45208589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 115200, while the sum is 41.

The square root of 45208589 is about 6723.7332635969. The cubic root of 45208589 is about 356.2380603775.

The spelling of 45208589 in words is "forty-five million, two hundred eight thousand, five hundred eighty-nine".