6566725 has 12 divisors (see below), whose sum is σ = 8883360. Its totient is φ = 4775600.

The previous prime is 6566713. The next prime is 6566741. The reversal of 6566725 is 5276656.

It is not a de Polignac number, because 6566725 - 2⁷ = 6566597 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11665 + ... + 12214.

It is an arithmetic number, because the mean of its divisors is an integer number (740280).

Almost surely, 2^6566725 is an apocalyptic number.

It is an amenable number.

6566725 is a deficient number, since it is larger than the sum of its proper divisors (2316635).

6566725 is a wasteful number, since it uses less digits than its factorization.

6566725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23900 (or 23895 counting only the distinct ones).

The product of its digits is 75600, while the sum is 37.

The square root of 6566725 is about 2562.5621943672. The cubic root of 6566725 is about 187.2619794558.

It can be divided in two parts, 656 and 6725, that added together give a triangular number (7381 = T₁₂₁).

The spelling of 6566725 in words is "six million, five hundred sixty-six thousand, seven hundred twenty-five".