6686125 has 16 divisors (see below), whose sum is σ = 8452080. Its totient is φ = 5280000.

The previous prime is 6686107. The next prime is 6686167. The reversal of 6686125 is 5216866.

6686125 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 2033476 + 4652649 = 1426^2 + 2157^2 .

It is not a de Polignac number, because 6686125 - 2⁵ = 6686093 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10825 + ... + 11425.

It is an arithmetic number, because the mean of its divisors is an integer number (528255).

Almost surely, 2^6686125 is an apocalyptic number.

It is an amenable number.

6686125 is a deficient number, since it is larger than the sum of its proper divisors (1765955).

6686125 is an equidigital number, since it uses as much as digits as its factorization.

6686125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705 (or 695 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 6686125 is about 2585.7542419959. The cubic root of 6686125 is about 188.3901378411.

The spelling of 6686125 in words is "six million, six hundred eighty-six thousand, one hundred twenty-five".