8613825 has 48 divisors (see below), whose sum is σ = 15909696. Its totient is φ = 4076800.

The previous prime is 8613817. The next prime is 8613827. The reversal of 8613825 is 5283168.

It is a happy number.

8613825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8613825 - 2³ = 8613817 is a prime.

It is a super-2 number, since 2×8613825² = 148395962261250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (8613827) 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, 43627 + ... + 43823.

It is an arithmetic number, because the mean of its divisors is an integer number (331452).

Almost surely, 2^8613825 is an apocalyptic number.

It is an amenable number.

8613825 is a deficient number, since it is larger than the sum of its proper divisors (7295871).

8613825 is a wasteful number, since it uses less digits than its factorization.

8613825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 269 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 8613825 is about 2934.9318561084. The cubic root of 8613825 is about 204.9896881587.

The spelling of 8613825 in words is "eight million, six hundred thirteen thousand, eight hundred twenty-five".