563461236 has 72 divisors (see below), whose sum is σ = 1541030400. Its totient is φ = 172563264.

The previous prime is 563461211. The next prime is 563461247. The reversal of 563461236 is 632164365.

563461236 is a `hidden beast` number, since 5 + 6 + 3 + 4 + 612 + 36 = 666.

563461236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 563461236.

It is a congruent number.

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, 101665 + ... + 107063.

It is an arithmetic number, because the mean of its divisors is an integer number (21403200).

Almost surely, 2^563461236 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 563461236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (770515200).

563461236 is an abundant number, since it is smaller than the sum of its proper divisors (977569164).

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

563461236 is a wasteful number, since it uses less digits than its factorization.

563461236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5645 (or 5640 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 563461236 is about 23737.3384354691. The cubic root of 563461236 is about 825.9517566854.

The spelling of 563461236 in words is "five hundred sixty-three million, four hundred sixty-one thousand, two hundred thirty-six".