27256231 has 2 divisors, whose sum is σ = 27256232. Its totient is φ = 27256230.

The previous prime is 27256211. The next prime is 27256249. The reversal of 27256231 is 13265272.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27256231 - 2⁵ = 27256199 is a prime.

It is a super-2 number, since 2×27256231² = 1485804256650722, which contains 22 as substring.

It is equal to p_1698040 and since 27256231 and 1698040 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27256231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27256211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13628115 + 13628116.

It is an arithmetic number, because the mean of its divisors is an integer number (13628116).

Almost surely, 2^27256231 is an apocalyptic number.

27256231 is a deficient number, since it is larger than the sum of its proper divisors (1).

27256231 is an equidigital number, since it uses as much as digits as its factorization.

27256231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 28.

The square root of 27256231 is about 5220.7500419001. The cubic root of 27256231 is about 300.9460174049.

The spelling of 27256231 in words is "twenty-seven million, two hundred fifty-six thousand, two hundred thirty-one".