263875 has 8 divisors (see below), whose sum is σ = 329472. Its totient is φ = 211000.

The previous prime is 263869. The next prime is 263881. The reversal of 263875 is 578362.

It is an interprime number because it is at equal distance from previous prime (263869) and next prime (263881).

It is not a de Polignac number, because 263875 - 2³ = 263867 is a prime.

It is a d-powerful number, because it can be written as 2¹⁸ + 6⁴ + 8² + 3 + 7³ + 5² .

It is a Duffinian number.

It is an unprimeable number.

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, 931 + ... + 1180.

It is an arithmetic number, because the mean of its divisors is an integer number (41184).

2²⁶³⁸⁷⁵ is an apocalyptic number.

263875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

263875 is a deficient number, since it is larger than the sum of its proper divisors (65597).

263875 is an equidigital number, since it uses as much as digits as its factorization.

263875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126 (or 2116 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 263875 is about 513.6876482844. The cubic root of 263875 is about 64.1405602088.

The spelling of 263875 in words is "two hundred sixty-three thousand, eight hundred seventy-five".