6659925 has 12 divisors (see below), whose sum is σ = 11011200. Its totient is φ = 3551920.

The previous prime is 6659921. The next prime is 6659929. The reversal of 6659925 is 5299566.

It is an interprime number because it is at equal distance from previous prime (6659921) and next prime (6659929).

It is not a de Polignac number, because 6659925 - 2² = 6659921 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6659921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44325 + ... + 44474.

It is an arithmetic number, because the mean of its divisors is an integer number (917600).

Almost surely, 2^6659925 is an apocalyptic number.

It is an amenable number.

6659925 is a deficient number, since it is larger than the sum of its proper divisors (4351275).

6659925 is a wasteful number, since it uses less digits than its factorization.

6659925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88812 (or 88807 counting only the distinct ones).

The product of its digits is 145800, while the sum is 42.

The square root of 6659925 is about 2580.6830491170. The cubic root of 6659925 is about 188.1437428668.

The spelling of 6659925 in words is "six million, six hundred fifty-nine thousand, nine hundred twenty-five".