6689125 has 16 divisors (see below), whose sum is σ = 8498880. Its totient is φ = 5254800.

The previous prime is 6689117. The next prime is 6689131. The reversal of 6689125 is 5219866.

It is not a de Polignac number, because 6689125 - 2³ = 6689117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6922 + ... + 7828.

It is an arithmetic number, because the mean of its divisors is an integer number (531180).

Almost surely, 2^6689125 is an apocalyptic number.

It is an amenable number.

6689125 is a deficient number, since it is larger than the sum of its proper divisors (1809755).

6689125 is an equidigital number, since it uses as much as digits as its factorization.

6689125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981 (or 971 counting only the distinct ones).

The product of its digits is 25920, while the sum is 37.

The square root of 6689125 is about 2586.3342784721. The cubic root of 6689125 is about 188.4183099092.

The spelling of 6689125 in words is "six million, six hundred eighty-nine thousand, one hundred twenty-five".