263291255 has 8 divisors (see below), whose sum is σ = 316313424. Its totient is φ = 210390400.

The previous prime is 263291251. The next prime is 263291263. The reversal of 263291255 is 552192362.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 263291255 - 2² = 263291251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263291251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25481 + ... + 34290.

It is an arithmetic number, because the mean of its divisors is an integer number (39539178).

Almost surely, 2^263291255 is an apocalyptic number.

263291255 is a deficient number, since it is larger than the sum of its proper divisors (53022169).

263291255 is an equidigital number, since it uses as much as digits as its factorization.

263291255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60657.

The product of its digits is 32400, while the sum is 35.

The square root of 263291255 is about 16226.2520318156. The cubic root of 263291255 is about 640.9322798096.

The spelling of 263291255 in words is "two hundred sixty-three million, two hundred ninety-one thousand, two hundred fifty-five".