6825663 has 24 divisors (see below), whose sum is σ = 10705968. Its totient is φ = 4165632.

The previous prime is 6825661. The next prime is 6825683. The reversal of 6825663 is 3665286.

It is not a de Polignac number, because 6825663 - 2¹ = 6825661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6825661) 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 23 ways as a sum of consecutive naturals, for example, 26431 + ... + 26687.

It is an arithmetic number, because the mean of its divisors is an integer number (446082).

Almost surely, 2^6825663 is an apocalyptic number.

6825663 is a deficient number, since it is larger than the sum of its proper divisors (3880305).

6825663 is a wasteful number, since it uses less digits than its factorization.

6825663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503 (or 500 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 6825663 is about 2612.5969838458. The cubic root of 6825663 is about 189.6916790775.

The spelling of 6825663 in words is "six million, eight hundred twenty-five thousand, six hundred sixty-three".