263056 has 20 divisors (see below), whose sum is σ = 523404. Its totient is φ = 128000.

The previous prime is 263047. The next prime is 263063. The reversal of 263056 is 650362.

It can be written as a sum of positive squares in 2 ways, for example, as 147456 + 115600 = 384^2 + 340^2 .

It is a d-powerful number, because it can be written as 2 + 6 + 0 + 3¹¹ + 5⁷ + 6⁵ .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 456 + ... + 856.

2²⁶³⁰⁵⁶ is an apocalyptic number.

It is an amenable number.

263056 is a deficient number, since it is larger than the sum of its proper divisors (260348).

263056 is a wasteful number, since it uses less digits than its factorization.

263056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 263056 is about 512.8898517226. The cubic root of 263056 is about 64.0741328469.

The spelling of 263056 in words is "two hundred sixty-three thousand, fifty-six".