265464239 has 2 divisors, whose sum is σ = 265464240. Its totient is φ = 265464238.

The previous prime is 265464223. The next prime is 265464263. The reversal of 265464239 is 932464562.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 265464239 - 2⁴ = 265464223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 265464196 and 265464205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265464139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132732119 + 132732120.

It is an arithmetic number, because the mean of its divisors is an integer number (132732120).

Almost surely, 2^265464239 is an apocalyptic number.

265464239 is a deficient number, since it is larger than the sum of its proper divisors (1).

265464239 is an equidigital number, since it uses as much as digits as its factorization.

265464239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 41.

The square root of 265464239 is about 16293.0733442159. The cubic root of 265464239 is about 642.6906893605.

The spelling of 265464239 in words is "two hundred sixty-five million, four hundred sixty-four thousand, two hundred thirty-nine".