14921519 has 2 divisors, whose sum is σ = 14921520. Its totient is φ = 14921518.

The previous prime is 14921483. The next prime is 14921521. The reversal of 14921519 is 91512941.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14921519 is a prime.

It is a super-2 number, since 2×14921519² = 445303458534722, which contains 22 as substring.

Together with 14921521, 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 (14921539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7460759 + 7460760.

It is an arithmetic number, because the mean of its divisors is an integer number (7460760).

Almost surely, 2^14921519 is an apocalyptic number.

14921519 is a deficient number, since it is larger than the sum of its proper divisors (1).

14921519 is an equidigital number, since it uses as much as digits as its factorization.

14921519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 32.

The square root of 14921519 is about 3862.8382052579. The cubic root of 14921519 is about 246.1903422524.

The spelling of 14921519 in words is "fourteen million, nine hundred twenty-one thousand, five hundred nineteen".