14287409 has 2 divisors, whose sum is σ = 14287410. Its totient is φ = 14287408.

The previous prime is 14287379. The next prime is 14287417. The reversal of 14287409 is 90478241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12271009 + 2016400 = 3503^2 + 1420^2 .

It is a cyclic number.

It is not a de Polignac number, because 14287409 - 2¹⁶ = 14221873 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14287489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7143704 + 7143705.

It is an arithmetic number, because the mean of its divisors is an integer number (7143705).

Almost surely, 2^14287409 is an apocalyptic number.

It is an amenable number.

14287409 is a deficient number, since it is larger than the sum of its proper divisors (1).

14287409 is an equidigital number, since it uses as much as digits as its factorization.

14287409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 14287409 is about 3779.8689130709. The cubic root of 14287409 is about 242.6523448440.

The spelling of 14287409 in words is "fourteen million, two hundred eighty-seven thousand, four hundred nine".