263475 has 18 divisors (see below), whose sum is σ = 472316. Its totient is φ = 140400.

The previous prime is 263443. The next prime is 263489. The reversal of 263475 is 574362.

It is a happy number.

It is not a de Polignac number, because 263475 - 2⁵ = 263443 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2⁹ + 6² + 4⁹ + 3⁶ + 7² + 5 .

It is a Duffinian number.

It is a nialpdrome in base 15.

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 17 ways as a sum of consecutive naturals, for example, 361 + ... + 810.

263475 is a Friedman number, since it can be written as (6+5)^3+4^(7+2), using all its digits and the basic arithmetic operations.

2²⁶³⁴⁷⁵ is an apocalyptic number.

263475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

263475 is a deficient number, since it is larger than the sum of its proper divisors (208841).

263475 is a wasteful number, since it uses less digits than its factorization.

263475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187 (or 1179 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 263475 is about 513.2981589681. The cubic root of 263475 is about 64.1081342510.

The spelling of 263475 in words is "two hundred sixty-three thousand, four hundred seventy-five".