14315909 has 2 divisors, whose sum is σ = 14315910. Its totient is φ = 14315908.

The previous prime is 14315881. The next prime is 14315927. The reversal of 14315909 is 90951341.

14315909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12271009 + 2044900 = 3503^2 + 1430^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14315909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14315969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7157954 + 7157955.

It is an arithmetic number, because the mean of its divisors is an integer number (7157955).

Almost surely, 2^14315909 is an apocalyptic number.

It is an amenable number.

14315909 is a deficient number, since it is larger than the sum of its proper divisors (1).

14315909 is an equidigital number, since it uses as much as digits as its factorization.

14315909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 14315909 is about 3783.6370069022. The cubic root of 14315909 is about 242.8135823503.

The spelling of 14315909 in words is "fourteen million, three hundred fifteen thousand, nine hundred nine".