6879531 has 16 divisors (see below), whose sum is σ = 9483264. Its totient is φ = 4433664.

The previous prime is 6879511. The next prime is 6879533. The reversal of 6879531 is 1359786.

It is not a de Polignac number, because 6879531 - 2¹⁴ = 6863147 is a prime.

It is a super-2 number, since 2×6879531² = 94655893559922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6879531.

It is not an unprimeable number, because it can be changed into a prime (6879533) 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 15 ways as a sum of consecutive naturals, for example, 13426 + ... + 13928.

It is an arithmetic number, because the mean of its divisors is an integer number (592704).

Almost surely, 2^6879531 is an apocalyptic number.

6879531 is a deficient number, since it is larger than the sum of its proper divisors (2603733).

6879531 is a wasteful number, since it uses less digits than its factorization.

6879531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650.

The product of its digits is 45360, while the sum is 39.

The square root of 6879531 is about 2622.8860059103. The cubic root of 6879531 is about 190.1893864164.

The spelling of 6879531 in words is "six million, eight hundred seventy-nine thousand, five hundred thirty-one".