14537561 has 2 divisors, whose sum is σ = 14537562. Its totient is φ = 14537560.

The previous prime is 14537557. The next prime is 14537573. The reversal of 14537561 is 16573541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14478025 + 59536 = 3805^2 + 244^2 .

It is an emirp because it is prime and its reverse (16573541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14537561 - 2² = 14537557 is a prime.

It is a super-2 number, since 2×14537561² = 422681359657442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14537521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7268780 + 7268781.

It is an arithmetic number, because the mean of its divisors is an integer number (7268781).

Almost surely, 2^14537561 is an apocalyptic number.

It is an amenable number.

14537561 is a deficient number, since it is larger than the sum of its proper divisors (1).

14537561 is an equidigital number, since it uses as much as digits as its factorization.

14537561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12600, while the sum is 32.

The square root of 14537561 is about 3812.8153640060. The cubic root of 14537561 is about 244.0603239275.

The spelling of 14537561 in words is "fourteen million, five hundred thirty-seven thousand, five hundred sixty-one".