265423259 has 2 divisors, whose sum is σ = 265423260. Its totient is φ = 265423258.

The previous prime is 265423229. The next prime is 265423303. The reversal of 265423259 is 952324562.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 265423259 - 2⁸ = 265423003 is a prime.

It is not a weakly prime, because it can be changed into another prime (265423229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132711629 + 132711630.

It is an arithmetic number, because the mean of its divisors is an integer number (132711630).

Almost surely, 2^265423259 is an apocalyptic number.

265423259 is a deficient number, since it is larger than the sum of its proper divisors (1).

265423259 is an equidigital number, since it uses as much as digits as its factorization.

265423259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 38.

The square root of 265423259 is about 16291.8157060531. The cubic root of 265423259 is about 642.6576167077.

The spelling of 265423259 in words is "two hundred sixty-five million, four hundred twenty-three thousand, two hundred fifty-nine".