8656725 has 48 divisors (see below), whose sum is σ = 17856000. Its totient is φ = 3595200.

The previous prime is 8656721. The next prime is 8656727. The reversal of 8656725 is 5276568.

It is a happy number.

It is not a de Polignac number, because 8656725 - 2² = 8656721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8656721) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5026 + ... + 6524.

It is an arithmetic number, because the mean of its divisors is an integer number (372000).

Almost surely, 2^8656725 is an apocalyptic number.

It is an amenable number.

8656725 is an abundant number, since it is smaller than the sum of its proper divisors (9199275).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8656725 is a wasteful number, since it uses less digits than its factorization.

8656725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530 (or 1525 counting only the distinct ones).

The product of its digits is 100800, while the sum is 39.

The square root of 8656725 is about 2942.2312961424. The cubic root of 8656725 is about 205.3294326460.

The spelling of 8656725 in words is "eight million, six hundred fifty-six thousand, seven hundred twenty-five".