6679511 has 4 divisors (see below), whose sum is σ = 6699000. Its totient is φ = 6660024.

The previous prime is 6679481. The next prime is 6679513. The reversal of 6679511 is 1159766.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1159766 = 2 ⋅579883.

It is a cyclic number.

It is not a de Polignac number, because 6679511 - 2²² = 2485207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6679513) 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, 9221 + ... + 9918.

It is an arithmetic number, because the mean of its divisors is an integer number (1674750).

Almost surely, 2^6679511 is an apocalyptic number.

6679511 is a deficient number, since it is larger than the sum of its proper divisors (19489).

6679511 is a wasteful number, since it uses less digits than its factorization.

6679511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19488.

The product of its digits is 11340, while the sum is 35.

The square root of 6679511 is about 2584.4749950425. The cubic root of 6679511 is about 188.3279980389.

The spelling of 6679511 in words is "six million, six hundred seventy-nine thousand, five hundred eleven".