6696131 has 4 divisors (see below), whose sum is σ = 7211232. Its totient is φ = 6181032.

The previous prime is 6696127. The next prime is 6696143. The reversal of 6696131 is 1316966.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6696131 - 2² = 6696127 is a prime.

It is a super-2 number, since 2×6696131² = 89676340738322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6696101) 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 3 ways as a sum of consecutive naturals, for example, 257531 + ... + 257556.

It is an arithmetic number, because the mean of its divisors is an integer number (1802808).

Almost surely, 2^6696131 is an apocalyptic number.

6696131 is a deficient number, since it is larger than the sum of its proper divisors (515101).

6696131 is a wasteful number, since it uses less digits than its factorization.

6696131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515100.

The product of its digits is 5832, while the sum is 32.

The square root of 6696131 is about 2587.6883506327. The cubic root of 6696131 is about 188.4840682898.

The spelling of 6696131 in words is "six million, six hundred ninety-six thousand, one hundred thirty-one".