6679571 has 2 divisors, whose sum is σ = 6679572. Its totient is φ = 6679570.

The previous prime is 6679553. The next prime is 6679579. The reversal of 6679571 is 1759766.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6679571 is a prime.

It is not a weakly prime, because it can be changed into another prime (6679579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3339785 + 3339786.

It is an arithmetic number, because the mean of its divisors is an integer number (3339786).

Almost surely, 2^6679571 is an apocalyptic number.

6679571 is a deficient number, since it is larger than the sum of its proper divisors (1).

6679571 is an equidigital number, since it uses as much as digits as its factorization.

6679571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 79380, while the sum is 41.

The square root of 6679571 is about 2584.4866027898. The cubic root of 6679571 is about 188.3285619348.

It can be divided in two parts, 66795 and 71, that added together give a palindrome (66866).

The spelling of 6679571 in words is "six million, six hundred seventy-nine thousand, five hundred seventy-one".