6579647 has 2 divisors, whose sum is σ = 6579648. Its totient is φ = 6579646.

The previous prime is 6579637. The next prime is 6579653. The reversal of 6579647 is 7469756.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6579647 - 2⁴ = 6579631 is a prime.

It is a super-3 number, since 3×6579647³ (a number of 21 digits) contains 333 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 6579598 and 6579607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6579637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3289823 + 3289824.

It is an arithmetic number, because the mean of its divisors is an integer number (3289824).

Almost surely, 2^6579647 is an apocalyptic number.

6579647 is a deficient number, since it is larger than the sum of its proper divisors (1).

6579647 is an equidigital number, since it uses as much as digits as its factorization.

6579647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 44.

The square root of 6579647 is about 2565.0822598895. The cubic root of 6579647 is about 187.3847303352.

The spelling of 6579647 in words is "six million, five hundred seventy-nine thousand, six hundred forty-seven".