14505389 has 2 divisors, whose sum is σ = 14505390. Its totient is φ = 14505388.

The previous prime is 14505383. The next prime is 14505391. The reversal of 14505389 is 98350541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13564489 + 940900 = 3683^2 + 970^2 .

It is a cyclic number.

It is not a de Polignac number, because 14505389 - 2¹⁶ = 14439853 is a prime.

Together with 14505391, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14505383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7252694 + 7252695.

It is an arithmetic number, because the mean of its divisors is an integer number (7252695).

Almost surely, 2^14505389 is an apocalyptic number.

It is an amenable number.

14505389 is a deficient number, since it is larger than the sum of its proper divisors (1).

14505389 is an equidigital number, since it uses as much as digits as its factorization.

14505389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 14505389 is about 3808.5940975641. The cubic root of 14505389 is about 243.8801536768.

The spelling of 14505389 in words is "fourteen million, five hundred five thousand, three hundred eighty-nine".