6579971 has 4 divisors (see below), whose sum is σ = 6605832. Its totient is φ = 6554112.

The previous prime is 6579961. The next prime is 6579977. The reversal of 6579971 is 1799756.

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 6579971 - 2⁶ = 6579907 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6579977) 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, 12545 + ... + 13058.

It is an arithmetic number, because the mean of its divisors is an integer number (1651458).

Almost surely, 2^6579971 is an apocalyptic number.

6579971 is a deficient number, since it is larger than the sum of its proper divisors (25861).

6579971 is a wasteful number, since it uses less digits than its factorization.

6579971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25860.

The product of its digits is 119070, while the sum is 44.

The square root of 6579971 is about 2565.1454149814. The cubic root of 6579971 is about 187.3878060654.

The spelling of 6579971 in words is "six million, five hundred seventy-nine thousand, nine hundred seventy-one".