14564309 has 2 divisors, whose sum is σ = 14564310. Its totient is φ = 14564308.

The previous prime is 14564287. The next prime is 14564311. The reversal of 14564309 is 90346541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9591409 + 4972900 = 3097^2 + 2230^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14564309 is a prime.

Together with 14564311, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14564369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7282154 + 7282155.

It is an arithmetic number, because the mean of its divisors is an integer number (7282155).

Almost surely, 2^14564309 is an apocalyptic number.

It is an amenable number.

14564309 is a deficient number, since it is larger than the sum of its proper divisors (1).

14564309 is an equidigital number, since it uses as much as digits as its factorization.

14564309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 14564309 is about 3816.3213963187. The cubic root of 14564309 is about 244.2099163266.

The spelling of 14564309 in words is "fourteen million, five hundred sixty-four thousand, three hundred nine".