6573663 has 8 divisors (see below), whose sum is σ = 9738800. Its totient is φ = 4382424.

The previous prime is 6573661. The next prime is 6573667. The reversal of 6573663 is 3663756.

It is not a de Polignac number, because 6573663 - 2¹ = 6573661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6573661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121708 + ... + 121761.

It is an arithmetic number, because the mean of its divisors is an integer number (1217350).

Almost surely, 2^6573663 is an apocalyptic number.

6573663 is a deficient number, since it is larger than the sum of its proper divisors (3165137).

6573663 is a wasteful number, since it uses less digits than its factorization.

6573663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243478 (or 243472 counting only the distinct ones).

The product of its digits is 68040, while the sum is 36.

The square root of 6573663 is about 2563.9155602320. The cubic root of 6573663 is about 187.3279060947.

The spelling of 6573663 in words is "six million, five hundred seventy-three thousand, six hundred sixty-three".