6579871 has 4 divisors (see below), whose sum is σ = 6926200. Its totient is φ = 6233544.

The previous prime is 6579851. The next prime is 6579883. The reversal of 6579871 is 1789756.

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 6579871 - 2⁹ = 6579359 is a prime.

It is a Duffinian number.

6579871 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6579851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173136 + ... + 173173.

It is an arithmetic number, because the mean of its divisors is an integer number (1731550).

Almost surely, 2^6579871 is an apocalyptic number.

6579871 is a deficient number, since it is larger than the sum of its proper divisors (346329).

6579871 is a wasteful number, since it uses less digits than its factorization.

6579871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346328.

The product of its digits is 105840, while the sum is 43.

The square root of 6579871 is about 2565.1259228350. The cubic root of 6579871 is about 187.3868567767.

The spelling of 6579871 in words is "six million, five hundred seventy-nine thousand, eight hundred seventy-one".