269231 has 2 divisors, whose sum is σ = 269232. Its totient is φ = 269230.

The previous prime is 269221. The next prime is 269237. The reversal of 269231 is 132962.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 269231 - 2⁶ = 269167 is a prime.

It is a super-2 number, since 2×269231² = 144970662722, which contains 22 as substring.

It is a Chen prime.

It is equal to p₂₃₅₈₅ and since 269231 and 23585 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 269197 and 269206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (269237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134615 + 134616.

It is an arithmetic number, because the mean of its divisors is an integer number (134616).

2²⁶⁹²³¹ is an apocalyptic number.

269231 is a deficient number, since it is larger than the sum of its proper divisors (1).

269231 is an equidigital number, since it uses as much as digits as its factorization.

269231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 23.

The square root of 269231 is about 518.8747440375. The cubic root of 269231 is about 64.5716208613.

The spelling of 269231 in words is "two hundred sixty-nine thousand, two hundred thirty-one".