14660561 has 2 divisors, whose sum is σ = 14660562. Its totient is φ = 14660560.

The previous prime is 14660521. The next prime is 14660563. The reversal of 14660561 is 16506641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11182336 + 3478225 = 3344^2 + 1865^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14660561 is a prime.

Together with 14660563, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14660563) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7330280 + 7330281.

It is an arithmetic number, because the mean of its divisors is an integer number (7330281).

Almost surely, 2^14660561 is an apocalyptic number.

It is an amenable number.

14660561 is a deficient number, since it is larger than the sum of its proper divisors (1).

14660561 is an equidigital number, since it uses as much as digits as its factorization.

14660561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 14660561 is about 3828.9112029401. The cubic root of 14660561 is about 244.7467103254.

The spelling of 14660561 in words is "fourteen million, six hundred sixty thousand, five hundred sixty-one".