14030309 has 2 divisors, whose sum is σ = 14030310. Its totient is φ = 14030308.

The previous prime is 14030293. The next prime is 14030333. The reversal of 14030309 is 90303041.

14030309 is nontrivially palindromic in base 11.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10336225 + 3694084 = 3215^2 + 1922^2 .

It is a cyclic number.

It is not a de Polignac number, because 14030309 - 2⁴ = 14030293 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14030339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7015154 + 7015155.

It is an arithmetic number, because the mean of its divisors is an integer number (7015155).

Almost surely, 2^14030309 is an apocalyptic number.

It is an amenable number.

14030309 is a deficient number, since it is larger than the sum of its proper divisors (1).

14030309 is an equidigital number, since it uses as much as digits as its factorization.

14030309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 14030309 is about 3745.7054075301. The cubic root of 14030309 is about 241.1880272506.

The spelling of 14030309 in words is "fourteen million, thirty thousand, three hundred nine".