263775255 has 16 divisors (see below), whose sum is σ = 422279520. Its totient is φ = 140600448.

The previous prime is 263775251. The next prime is 263775319. The reversal of 263775255 is 552577362.

It is a happy number.

It is not a de Polignac number, because 263775255 - 2² = 263775251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263775251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30561 + ... + 38229.

It is an arithmetic number, because the mean of its divisors is an integer number (26392470).

Almost surely, 2^263775255 is an apocalyptic number.

263775255 is a deficient number, since it is larger than the sum of its proper divisors (158504265).

263775255 is a wasteful number, since it uses less digits than its factorization.

263775255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9970.

The product of its digits is 441000, while the sum is 42.

The square root of 263775255 is about 16241.1592874400. The cubic root of 263775255 is about 641.3247745945.

The spelling of 263775255 in words is "two hundred sixty-three million, seven hundred seventy-five thousand, two hundred fifty-five".