6680025 has 36 divisors (see below), whose sum is σ = 13057200. Its totient is φ = 3237600.

The previous prime is 6680021. The next prime is 6680027. The reversal of 6680025 is 5200866.

It is not a de Polignac number, because 6680025 - 2² = 6680021 is a prime.

Together with 6377175 it forms an amicable pair .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6680021) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1126 + ... + 3824.

It is an arithmetic number, because the mean of its divisors is an integer number (362700).

Almost surely, 2^6680025 is an apocalyptic number.

It is an amenable number.

6680025 is a deficient number, since it is larger than the sum of its proper divisors (6377175).

6680025 is a wasteful number, since it uses less digits than its factorization.

6680025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2726 (or 2718 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 6680025 is about 2584.5744330547. The cubic root of 6680025 is about 188.3328286375.

The spelling of 6680025 in words is "six million, six hundred eighty thousand, twenty-five".