6791231 has 2 divisors, whose sum is σ = 6791232. Its totient is φ = 6791230.

The previous prime is 6791219. The next prime is 6791287. The reversal of 6791231 is 1321976.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6791231 - 2¹⁴ = 6774847 is a prime.

It is a super-2 number, since 2×6791231² = 92241636990722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 6791194 and 6791203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6791131) 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 as a sum of consecutive naturals, namely, 3395615 + 3395616.

It is an arithmetic number, because the mean of its divisors is an integer number (3395616).

Almost surely, 2^6791231 is an apocalyptic number.

6791231 is a deficient number, since it is larger than the sum of its proper divisors (1).

6791231 is an equidigital number, since it uses as much as digits as its factorization.

6791231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 29.

The square root of 6791231 is about 2605.9990406752. Note that the first 3 decimals coincide. The cubic root of 6791231 is about 189.3721751985.

The spelling of 6791231 in words is "six million, seven hundred ninety-one thousand, two hundred thirty-one".