6680519 has 2 divisors, whose sum is σ = 6680520. Its totient is φ = 6680518.

The previous prime is 6680497. The next prime is 6680521. The reversal of 6680519 is 9150866.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6680519 - 2²⁰ = 5631943 is a prime.

It is a super-2 number, since 2×6680519² = 89258668218722, which contains 22 as substring.

Together with 6680521, 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 (6680539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3340259 + 3340260.

It is an arithmetic number, because the mean of its divisors is an integer number (3340260).

Almost surely, 2^6680519 is an apocalyptic number.

6680519 is a deficient number, since it is larger than the sum of its proper divisors (1).

6680519 is an equidigital number, since it uses as much as digits as its factorization.

6680519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 6680519 is about 2584.6699982783. The cubic root of 6680519 is about 188.3374710414.

The spelling of 6680519 in words is "six million, six hundred eighty thousand, five hundred nineteen".