563612 has 12 divisors (see below), whose sum is σ = 1127280. Its totient is φ = 241536.

The previous prime is 563599. The next prime is 563623. The reversal of 563612 is 216365.

563612 is an admirable number.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

563612 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10037 + ... + 10092.

It is an arithmetic number, because the mean of its divisors is an integer number (93940).

2⁵⁶³⁶¹² is an apocalyptic number.

It is an amenable number.

563612 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

563612 is a wasteful number, since it uses less digits than its factorization.

563612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20140 (or 20138 counting only the distinct ones).

The product of its digits is 1080, while the sum is 23.

The square root of 563612 is about 750.7409673116. The cubic root of 563612 is about 82.6025416107.

Adding to 563612 its reverse (216365), we get a palindrome (779977).

The spelling of 563612 in words is "five hundred sixty-three thousand, six hundred twelve".