6885131 has 16 divisors (see below), whose sum is σ = 7904256. Its totient is φ = 5940000.

The previous prime is 6885127. The next prime is 6885139. The reversal of 6885131 is 1315886.

It is not a de Polignac number, because 6885131 - 2² = 6885127 is a prime.

It is a super-2 number, since 2×6885131² = 94810057774322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6885139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20636 + ... + 20966.

It is an arithmetic number, because the mean of its divisors is an integer number (494016).

Almost surely, 2^6885131 is an apocalyptic number.

6885131 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

6885131 is a deficient number, since it is larger than the sum of its proper divisors (1019125).

6885131 is a wasteful number, since it uses less digits than its factorization.

6885131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434.

The product of its digits is 5760, while the sum is 32.

The square root of 6885131 is about 2623.9533151335. The cubic root of 6885131 is about 190.2409777097.

The spelling of 6885131 in words is "six million, eight hundred eighty-five thousand, one hundred thirty-one".