260231 has 2 divisors, whose sum is σ = 260232. Its totient is φ = 260230.

The previous prime is 260213. The next prime is 260263. The reversal of 260231 is 132062.

Together with previous prime (260213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260231 is a prime.

It is a super-2 number, since 2×260231² = 135440346722, 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 (260201) 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, 130115 + 130116.

It is an arithmetic number, because the mean of its divisors is an integer number (130116).

2²⁶⁰²³¹ is an apocalyptic number.

260231 is a deficient number, since it is larger than the sum of its proper divisors (1).

260231 is an equidigital number, since it uses as much as digits as its factorization.

260231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 260231 is about 510.1284152054. The cubic root of 260231 is about 63.8439394254.

Adding to 260231 its reverse (132062), we get a palindrome (392293).

The spelling of 260231 in words is "two hundred sixty thousand, two hundred thirty-one".