265894231 has 2 divisors, whose sum is σ = 265894232. Its totient is φ = 265894230.

The previous prime is 265894217. The next prime is 265894259. The reversal of 265894231 is 132498562.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 265894231 - 2⁵ = 265894199 is a prime.

It is a super-2 number, since 2×265894231² = 141399484158162722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265894261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132947115 + 132947116.

It is an arithmetic number, because the mean of its divisors is an integer number (132947116).

Almost surely, 2^265894231 is an apocalyptic number.

265894231 is a deficient number, since it is larger than the sum of its proper divisors (1).

265894231 is an equidigital number, since it uses as much as digits as its factorization.

265894231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 40.

The square root of 265894231 is about 16306.2635511634. The cubic root of 265894231 is about 643.0375066706.

The spelling of 265894231 in words is "two hundred sixty-five million, eight hundred ninety-four thousand, two hundred thirty-one".