6697231 has 4 divisors (see below), whose sum is σ = 6928200. Its totient is φ = 6466264.

The previous prime is 6697219. The next prime is 6697241. The reversal of 6697231 is 1327966.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1327966 = 2 ⋅663983.

It is a cyclic number.

It is not a de Polignac number, because 6697231 - 2⁵ = 6697199 is a prime.

It is a super-2 number, since 2×6697231² = 89705806134722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6697241) 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, 115441 + ... + 115498.

It is an arithmetic number, because the mean of its divisors is an integer number (1732050).

Almost surely, 2^6697231 is an apocalyptic number.

6697231 is a deficient number, since it is larger than the sum of its proper divisors (230969).

6697231 is a wasteful number, since it uses less digits than its factorization.

6697231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230968.

The product of its digits is 13608, while the sum is 34.

The square root of 6697231 is about 2587.9008868193. The cubic root of 6697231 is about 188.4943887332.

The spelling of 6697231 in words is "six million, six hundred ninety-seven thousand, two hundred thirty-one".