8649425 has 12 divisors (see below), whose sum is σ = 10832640. Its totient is φ = 6850320.

The previous prime is 8649419. The next prime is 8649451. The reversal of 8649425 is 5249468.

8649425 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8649425 - 2⁴ = 8649409 is a prime.

It is a Curzon 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 11 ways as a sum of consecutive naturals, for example, 896 + ... + 4254.

It is an arithmetic number, because the mean of its divisors is an integer number (902720).

Almost surely, 2^8649425 is an apocalyptic number.

It is an amenable number.

8649425 is a deficient number, since it is larger than the sum of its proper divisors (2183215).

8649425 is a wasteful number, since it uses less digits than its factorization.

8649425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3472 (or 3467 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 8649425 is about 2940.9904794134. The cubic root of 8649425 is about 205.2717000205.

The spelling of 8649425 in words is "eight million, six hundred forty-nine thousand, four hundred twenty-five".