14065309 has 2 divisors, whose sum is σ = 14065310. Its totient is φ = 14065308.

The previous prime is 14065277. The next prime is 14065321. The reversal of 14065309 is 90356041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14062500 + 2809 = 3750^2 + 53^2 .

It is a cyclic number.

It is not a de Polignac number, because 14065309 - 2⁵ = 14065277 is a prime.

It is a super-3 number, since 3×14065309³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14065349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7032654 + 7032655.

It is an arithmetic number, because the mean of its divisors is an integer number (7032655).

Almost surely, 2^14065309 is an apocalyptic number.

It is an amenable number.

14065309 is a deficient number, since it is larger than the sum of its proper divisors (1).

14065309 is an equidigital number, since it uses as much as digits as its factorization.

14065309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 14065309 is about 3750.3745146318. The cubic root of 14065309 is about 241.3884165462.

The spelling of 14065309 in words is "fourteen million, sixty-five thousand, three hundred nine".