8616825 has 36 divisors (see below), whose sum is σ = 17641728. Its totient is φ = 3938400.

The previous prime is 8616821. The next prime is 8616827. The reversal of 8616825 is 5286168.

It is a happy number.

It is not a de Polignac number, because 8616825 - 2² = 8616821 is a prime.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 8616825.

It is not an unprimeable number, because it can be changed into a prime (8616821) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1161 + ... + 4310.

It is an arithmetic number, because the mean of its divisors is an integer number (490048).

Almost surely, 2^8616825 is an apocalyptic number.

It is an amenable number.

8616825 is an abundant number, since it is smaller than the sum of its proper divisors (9024903).

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

8616825 is a wasteful number, since it uses less digits than its factorization.

8616825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5494 (or 5486 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 8616825 is about 2935.4428967364. The cubic root of 8616825 is about 205.0134831505.

The spelling of 8616825 in words is "eight million, six hundred sixteen thousand, eight hundred twenty-five".