6172655231 has 2 divisors, whose sum is σ = 6172655232. Its totient is φ = 6172655230.

The previous prime is 6172655227. The next prime is 6172655353. The reversal of 6172655231 is 1325562716.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6172655231 - 2² = 6172655227 is a prime.

It is a super-2 number, since 2×6172655231² = 76203345201583326722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6172655201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3086327615 + 3086327616.

It is an arithmetic number, because the mean of its divisors is an integer number (3086327616).

Almost surely, 2^6172655231 is an apocalyptic number.

6172655231 is a deficient number, since it is larger than the sum of its proper divisors (1).

6172655231 is an equidigital number, since it uses as much as digits as its factorization.

6172655231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 38.

The square root of 6172655231 is about 78566.2474030674. The cubic root of 6172655231 is about 1834.3857730856.

The spelling of 6172655231 in words is "six billion, one hundred seventy-two million, six hundred fifty-five thousand, two hundred thirty-one".