268255231 has 2 divisors, whose sum is σ = 268255232. Its totient is φ = 268255230.

The previous prime is 268255219. The next prime is 268255237. The reversal of 268255231 is 132552862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 268255231 - 2⁹ = 268254719 is a prime.

It is a super-2 number, since 2×268255231² = 143921737917726722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268255237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134127615 + 134127616.

It is an arithmetic number, because the mean of its divisors is an integer number (134127616).

Almost surely, 2^268255231 is an apocalyptic number.

268255231 is a deficient number, since it is larger than the sum of its proper divisors (1).

268255231 is an equidigital number, since it uses as much as digits as its factorization.

268255231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 34.

The square root of 268255231 is about 16378.4990460054. The cubic root of 268255231 is about 644.9351784706.

The spelling of 268255231 in words is "two hundred sixty-eight million, two hundred fifty-five thousand, two hundred thirty-one".