45986561 has 2 divisors, whose sum is σ = 45986562. Its totient is φ = 45986560.

The previous prime is 45986537. The next prime is 45986587. The reversal of 45986561 is 16568954.

45986561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43970161 + 2016400 = 6631^2 + 1420^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45986561 is a prime.

It is a super-2 number, since 2×45986561² = 4229527585213442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45986761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22993280 + 22993281.

It is an arithmetic number, because the mean of its divisors is an integer number (22993281).

Almost surely, 2^45986561 is an apocalyptic number.

It is an amenable number.

45986561 is a deficient number, since it is larger than the sum of its proper divisors (1).

45986561 is an equidigital number, since it uses as much as digits as its factorization.

45986561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 44.

The square root of 45986561 is about 6781.3391745289. The cubic root of 45986561 is about 358.2698905288.

The spelling of 45986561 in words is "forty-five million, nine hundred eighty-six thousand, five hundred sixty-one".