6563232 has 72 divisors (see below), whose sum is σ = 20111364. Its totient is φ = 2018304.

The previous prime is 6563209. The next prime is 6563261. The reversal of 6563232 is 2323656.

6563232 is a `hidden beast` number, since 656 + 3 + 2 + 3 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5035536 + 1527696 = 2244^2 + 1236^2 .

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a junction number, because it is equal to n+sod(n) for n = 6563196 and 6563205.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2868 + ... + 4620.

Almost surely, 2^6563232 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 6563232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10055682).

6563232 is an abundant number, since it is smaller than the sum of its proper divisors (13548132).

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

6563232 is a wasteful number, since it uses less digits than its factorization.

6563232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782 (or 1771 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 6563232 is about 2561.8805592767. The cubic root of 6563232 is about 187.2287705068.

Adding to 6563232 its reverse (2323656), we get a palindrome (8886888).

The spelling of 6563232 in words is "six million, five hundred sixty-three thousand, two hundred thirty-two".