8616625 has 16 divisors (see below), whose sum is σ = 11129040. Its totient is φ = 6652800.

The previous prime is 8616599. The next prime is 8616653. The reversal of 8616625 is 5266168.

8616625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 3122289 + 5494336 = 1767^2 + 2344^2 .

It is a de Polignac number, because none of the positive numbers 2^k-8616625 is a prime.

8616625 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2437 + ... + 4813.

It is an arithmetic number, because the mean of its divisors is an integer number (695565).

Almost surely, 2^8616625 is an apocalyptic number.

It is an amenable number.

8616625 is a deficient number, since it is larger than the sum of its proper divisors (2512415).

8616625 is a wasteful number, since it uses less digits than its factorization.

8616625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2421 (or 2411 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 8616625 is about 2935.4088301291. The cubic root of 8616625 is about 205.0118969895.

The spelling of 8616625 in words is "eight million, six hundred sixteen thousand, six hundred twenty-five".