6579659 has 4 divisors (see below), whose sum is σ = 6659016. Its totient is φ = 6500304.

The previous prime is 6579653. The next prime is 6579667. The reversal of 6579659 is 9569756.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6579659 - 2¹² = 6575563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6579653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39554 + ... + 39719.

It is an arithmetic number, because the mean of its divisors is an integer number (1664754).

Almost surely, 2^6579659 is an apocalyptic number.

6579659 is a deficient number, since it is larger than the sum of its proper divisors (79357).

6579659 is an equidigital number, since it uses as much as digits as its factorization.

6579659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79356.

The product of its digits is 510300, while the sum is 47.

The square root of 6579659 is about 2565.0845989947. The cubic root of 6579659 is about 187.3848442529.

The spelling of 6579659 in words is "six million, five hundred seventy-nine thousand, six hundred fifty-nine".