6563632 has 40 divisors (see below), whose sum is σ = 13726800. Its totient is φ = 3028992.

The previous prime is 6563629. The next prime is 6563633. The reversal of 6563632 is 2363656.

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 = 6563594 and 6563603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6563633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15844 + ... + 16252.

It is an arithmetic number, because the mean of its divisors is an integer number (343170).

Almost surely, 2^6563632 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 6563632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6863400).

6563632 is an abundant number, since it is smaller than the sum of its proper divisors (7163168).

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

6563632 is a wasteful number, since it uses less digits than its factorization.

6563632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493 (or 487 counting only the distinct ones).

The product of its digits is 19440, while the sum is 31.

The square root of 6563632 is about 2561.9586257393. The cubic root of 6563632 is about 187.2325740184.

The spelling of 6563632 in words is "six million, five hundred sixty-three thousand, six hundred thirty-two".