14240209 has 2 divisors, whose sum is σ = 14240210. Its totient is φ = 14240208.

The previous prime is 14240207. The next prime is 14240249. The reversal of 14240209 is 90204241.

14240209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13897984 + 342225 = 3728^2 + 585^2 .

It is a cyclic number.

It is not a de Polignac number, because 14240209 - 2¹ = 14240207 is a prime.

Together with 14240207, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14240209.

It is not a weakly prime, because it can be changed into another prime (14240207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7120104 + 7120105.

It is an arithmetic number, because the mean of its divisors is an integer number (7120105).

Almost surely, 2^14240209 is an apocalyptic number.

It is an amenable number.

14240209 is a deficient number, since it is larger than the sum of its proper divisors (1).

14240209 is an equidigital number, since it uses as much as digits as its factorization.

14240209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 14240209 is about 3773.6201451656. The cubic root of 14240209 is about 242.3848406343.

The spelling of 14240209 in words is "fourteen million, two hundred forty thousand, two hundred nine".