263255 has 8 divisors (see below), whose sum is σ = 324672. Its totient is φ = 204768.

The previous prime is 263239. The next prime is 263257. The reversal of 263255 is 552362.

263255 = T₃₂₂ + T₃₂₃ + ... + T₃₂₆.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 263255 - 2⁴ = 263239 is a prime.

It is a d-powerful number, because it can be written as 2⁴ + 6³ + 2¹⁸ + 3⁶ + 5² + 5³ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 263255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 527 + ... + 896.

It is an arithmetic number, because the mean of its divisors is an integer number (40584).

2²⁶³²⁵⁵ is an apocalyptic number.

263255 is a deficient number, since it is larger than the sum of its proper divisors (61417).

263255 is a wasteful number, since it uses less digits than its factorization.

263255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465.

The product of its digits is 1800, while the sum is 23.

The square root of 263255 is about 513.0838138160. The cubic root of 263255 is about 64.0902859835.

The spelling of 263255 in words is "two hundred sixty-three thousand, two hundred fifty-five".