265263263 has 2 divisors, whose sum is σ = 265263264. Its totient is φ = 265263262.

The previous prime is 265263227. The next prime is 265263287. The reversal of 265263263 is 362362562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 265263263 - 2¹² = 265259167 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265263293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132631631 + 132631632.

It is an arithmetic number, because the mean of its divisors is an integer number (132631632).

Almost surely, 2^265263263 is an apocalyptic number.

265263263 is a deficient number, since it is larger than the sum of its proper divisors (1).

265263263 is an equidigital number, since it uses as much as digits as its factorization.

265263263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 35.

The square root of 265263263 is about 16286.9046475996. The cubic root of 265263263 is about 642.5284603360.

The spelling of 265263263 in words is "two hundred sixty-five million, two hundred sixty-three thousand, two hundred sixty-three".