6563630 has 24 divisors (see below), whose sum is σ = 12225816. Its totient is φ = 2537040.

The previous prime is 6563629. The next prime is 6563633. The reversal of 6563630 is 363656.

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 = 6563593 and 6563602.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9269 + ... + 9951.

It is an arithmetic number, because the mean of its divisors is an integer number (509409).

Almost surely, 2^6563630 is an apocalyptic number.

6563630 is a deficient number, since it is larger than the sum of its proper divisors (5662186).

6563630 is a wasteful number, since it uses less digits than its factorization.

6563630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752 (or 721 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 6563630 is about 2561.9582354129. The cubic root of 6563630 is about 187.2325550013.

The spelling of 6563630 in words is "six million, five hundred sixty-three thousand, six hundred thirty".