265078263 has 16 divisors (see below), whose sum is σ = 375878880. Its totient is φ = 165590016.

The previous prime is 265078213. The next prime is 265078267. The reversal of 265078263 is 362870562.

It is not a de Polignac number, because 265078263 - 2⁶ = 265078199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265078267) 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 in 15 ways as a sum of consecutive naturals, for example, 331 + ... + 23027.

It is an arithmetic number, because the mean of its divisors is an integer number (23492430).

Almost surely, 2^265078263 is an apocalyptic number.

265078263 is a deficient number, since it is larger than the sum of its proper divisors (110800617).

265078263 is a wasteful number, since it uses less digits than its factorization.

265078263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22946.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 265078263 is about 16281.2242475804. The cubic root of 265078263 is about 642.3790547880.

The spelling of 265078263 in words is "two hundred sixty-five million, seventy-eight thousand, two hundred sixty-three".