45587561 has 2 divisors, whose sum is σ = 45587562. Its totient is φ = 45587560.

The previous prime is 45587543. The next prime is 45587599. The reversal of 45587561 is 16578554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31147561 + 14440000 = 5581^2 + 3800^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45587561 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45187561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22793780 + 22793781.

It is an arithmetic number, because the mean of its divisors is an integer number (22793781).

Almost surely, 2^45587561 is an apocalyptic number.

It is an amenable number.

45587561 is a deficient number, since it is larger than the sum of its proper divisors (1).

45587561 is an equidigital number, since it uses as much as digits as its factorization.

45587561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 168000, while the sum is 41.

The square root of 45587561 is about 6751.8561151731. The cubic root of 45587561 is about 357.2307092298.

The spelling of 45587561 in words is "forty-five million, five hundred eighty-seven thousand, five hundred sixty-one".