269081231 has 2 divisors, whose sum is σ = 269081232. Its totient is φ = 269081230.

The previous prime is 269081191. The next prime is 269081261. The reversal of 269081231 is 132180962.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 269081231 - 2⁶ = 269081167 is a prime.

It is a super-2 number, since 2×269081231² = 144809417752950722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (269081261) 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, 134540615 + 134540616.

It is an arithmetic number, because the mean of its divisors is an integer number (134540616).

Almost surely, 2^269081231 is an apocalyptic number.

269081231 is a deficient number, since it is larger than the sum of its proper divisors (1).

269081231 is an equidigital number, since it uses as much as digits as its factorization.

269081231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 269081231 is about 16403.6956506758. The cubic root of 269081231 is about 645.5964524575.

The spelling of 269081231 in words is "two hundred sixty-nine million, eighty-one thousand, two hundred thirty-one".