6679513 has 2 divisors, whose sum is σ = 6679514. Its totient is φ = 6679512.

The previous prime is 6679481. The next prime is 6679523. The reversal of 6679513 is 3159766.

6679513 = 1827² + 1828².

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3341584 + 3337929 = 1828^2 + 1827^2 .

It is a cyclic number.

It is not a de Polignac number, because 6679513 - 2⁵ = 6679481 is a prime.

6679513 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (6679523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3339756 + 3339757.

It is an arithmetic number, because the mean of its divisors is an integer number (3339757).

Almost surely, 2^6679513 is an apocalyptic number.

6679513 is the 1828-th centered square number.

It is an amenable number.

6679513 is a deficient number, since it is larger than the sum of its proper divisors (1).

6679513 is an equidigital number, since it uses as much as digits as its factorization.

6679513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020, while the sum is 37.

The square root of 6679513 is about 2584.4753819683. The cubic root of 6679513 is about 188.3280168355.

The spelling of 6679513 in words is "six million, six hundred seventy-nine thousand, five hundred thirteen".