563506 has 8 divisors (see below), whose sum is σ = 851760. Its totient is φ = 279588.

The previous prime is 563503. The next prime is 563543. The reversal of 563506 is 605365.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (563501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 736 + ... + 1291.

It is an arithmetic number, because the mean of its divisors is an integer number (106470).

2⁵⁶³⁵⁰⁶ is an apocalyptic number.

563506 is a deficient number, since it is larger than the sum of its proper divisors (288254).

563506 is a wasteful number, since it uses less digits than its factorization.

563506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2168.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 563506 is about 750.6703670720. The cubic root of 563506 is about 82.5973628598.

The spelling of 563506 in words is "five hundred sixty-three thousand, five hundred six".