14316509 has 2 divisors, whose sum is σ = 14316510. Its totient is φ = 14316508.

The previous prime is 14316487. The next prime is 14316539. The reversal of 14316509 is 90561341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13322500 + 994009 = 3650^2 + 997^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14316509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14316539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7158254 + 7158255.

It is an arithmetic number, because the mean of its divisors is an integer number (7158255).

Almost surely, 2^14316509 is an apocalyptic number.

It is an amenable number.

14316509 is a deficient number, since it is larger than the sum of its proper divisors (1).

14316509 is an equidigital number, since it uses as much as digits as its factorization.

14316509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 14316509 is about 3783.7162948614. The cubic root of 14316509 is about 242.8169745231.

The spelling of 14316509 in words is "fourteen million, three hundred sixteen thousand, five hundred nine".