563994252 has 72 divisors (see below), whose sum is σ = 1556318400. Its totient is φ = 178097616.

The previous prime is 563994203. The next prime is 563994269. The reversal of 563994252 is 252499365.

563994252 is a `hidden beast` number, since 5 + 6 + 399 + 4 + 252 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 563994198 and 563994207.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3199 + ... + 33737.

Almost surely, 2^563994252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 563994252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (778159200).

563994252 is an abundant number, since it is smaller than the sum of its proper divisors (992324148).

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

563994252 is a wasteful number, since it uses less digits than its factorization.

563994252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30577 (or 30563 counting only the distinct ones).

The product of its digits is 583200, while the sum is 45.

The square root of 563994252 is about 23748.5631565364. The cubic root of 563994252 is about 826.2121157701.

The spelling of 563994252 in words is "five hundred sixty-three million, nine hundred ninety-four thousand, two hundred fifty-two".