283563 has 18 divisors (see below), whose sum is σ = 477204. Its totient is φ = 161784.

The previous prime is 283553. The next prime is 283571. The reversal of 283563 is 365382.

It is not a de Polignac number, because 283563 - 2⁹ = 283051 is a prime.

It is a d-powerful number, because it can be written as 2³ + 8 + 5⁵ + 3⁵ + 6⁷ + 3⁵ .

It is not an unprimeable number, because it can be changed into a prime (283553) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 120 + ... + 762.

2²⁸³⁵⁶³ is an apocalyptic number.

283563 is a deficient number, since it is larger than the sum of its proper divisors (193641).

283563 is a wasteful number, since it uses less digits than its factorization.

283563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663 (or 653 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 283563 is about 532.5063379905. The cubic root of 283563 is about 65.6976528703.

The spelling of 283563 in words is "two hundred eighty-three thousand, five hundred sixty-three".