6868231 has 2 divisors, whose sum is σ = 6868232. Its totient is φ = 6868230.

The previous prime is 6868229. The next prime is 6868241. The reversal of 6868231 is 1328686.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6868231 - 2¹ = 6868229 is a prime.

It is a super-2 number, since 2×6868231² = 94345194138722, which contains 22 as substring.

Together with 6868229, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6868201) 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 as a sum of consecutive naturals, namely, 3434115 + 3434116.

It is an arithmetic number, because the mean of its divisors is an integer number (3434116).

Almost surely, 2^6868231 is an apocalyptic number.

6868231 is a deficient number, since it is larger than the sum of its proper divisors (1).

6868231 is an equidigital number, since it uses as much as digits as its factorization.

6868231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 34.

The square root of 6868231 is about 2620.7310048916. The cubic root of 6868231 is about 190.0851972483.

The spelling of 6868231 in words is "six million, eight hundred sixty-eight thousand, two hundred thirty-one".