263375 has 24 divisors (see below), whose sum is σ = 391248. Its totient is φ = 176400.

The previous prime is 263369. The next prime is 263383. The reversal of 263375 is 573362.

It is not a de Polignac number, because 263375 - 2⁸ = 263119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 263375.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6104 + ... + 6146.

It is an arithmetic number, because the mean of its divisors is an integer number (16302).

2²⁶³³⁷⁵ is an apocalyptic number.

263375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

263375 is a deficient number, since it is larger than the sum of its proper divisors (127873).

263375 is an equidigital number, since it uses as much as digits as its factorization.

263375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72 (or 55 counting only the distinct ones).

The product of its digits is 3780, while the sum is 26.

The square root of 263375 is about 513.2007404515. The cubic root of 263375 is about 64.1000226343.

The spelling of 263375 in words is "two hundred sixty-three thousand, three hundred seventy-five".