14978519 has 2 divisors, whose sum is σ = 14978520. Its totient is φ = 14978518.

The previous prime is 14978503. The next prime is 14978521. The reversal of 14978519 is 91587941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14978519 - 2⁴ = 14978503 is a prime.

It is a super-2 number, since 2×14978519² = 448712062866722, which contains 22 as substring.

Together with 14978521, 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 14978519.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14978539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7489259 + 7489260.

It is an arithmetic number, because the mean of its divisors is an integer number (7489260).

Almost surely, 2^14978519 is an apocalyptic number.

14978519 is a deficient number, since it is larger than the sum of its proper divisors (1).

14978519 is an equidigital number, since it uses as much as digits as its factorization.

14978519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 44.

The square root of 14978519 is about 3870.2091674740. The cubic root of 14978519 is about 246.5034251876.

The spelling of 14978519 in words is "fourteen million, nine hundred seventy-eight thousand, five hundred nineteen".