6625725 has 36 divisors (see below), whose sum is σ = 11520096. Its totient is φ = 3359840.

The previous prime is 6625709. The next prime is 6625747. The reversal of 6625725 is 5275266.

It is not a de Polignac number, because 6625725 - 2⁴ = 6625709 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 39592 + ... + 39758.

Almost surely, 2^6625725 is an apocalyptic number.

It is an amenable number.

6625725 is a deficient number, since it is larger than the sum of its proper divisors (4894371).

6625725 is a wasteful number, since it uses less digits than its factorization.

6625725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 198 counting only the distinct ones).

The product of its digits is 25200, while the sum is 33.

The square root of 6625725 is about 2574.0483678439. The cubic root of 6625725 is about 187.8211385484.

The spelling of 6625725 in words is "six million, six hundred twenty-five thousand, seven hundred twenty-five".