6656825 has 12 divisors (see below), whose sum is σ = 9433920. Its totient is φ = 4564560.

The previous prime is 6656807. The next prime is 6656833. The reversal of 6656825 is 5286566.

It is a happy number.

It is not a de Polignac number, because 6656825 - 2⁸ = 6656569 is a prime.

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, 18845 + ... + 19194.

It is an arithmetic number, because the mean of its divisors is an integer number (786160).

Almost surely, 2^6656825 is an apocalyptic number.

It is an amenable number.

6656825 is a deficient number, since it is larger than the sum of its proper divisors (2777095).

6656825 is a wasteful number, since it uses less digits than its factorization.

6656825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38056 (or 38051 counting only the distinct ones).

The product of its digits is 86400, while the sum is 38.

The square root of 6656825 is about 2580.0823630264. The cubic root of 6656825 is about 188.1145465360.

The spelling of 6656825 in words is "six million, six hundred fifty-six thousand, eight hundred twenty-five".