8198125 has 20 divisors (see below), whose sum is σ = 11043340. Its totient is φ = 6048000.

The previous prime is 8198117. The next prime is 8198147. The reversal of 8198125 is 5218918.

8198125 is nontrivially palindromic in base 3.

It can be written as a sum of positive squares in 10 ways, for example, as 7851204 + 346921 = 2802^2 + 589^2 .

It is not a de Polignac number, because 8198125 - 2³ = 8198117 is a prime.

It is a super-3 number, since 3×8198125³ (a number of 22 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7621 + ... + 8629.

It is an arithmetic number, because the mean of its divisors is an integer number (552167).

Almost surely, 2^8198125 is an apocalyptic number.

It is an amenable number.

8198125 is a deficient number, since it is larger than the sum of its proper divisors (2845215).

8198125 is a wasteful number, since it uses less digits than its factorization.

8198125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042 (or 1027 counting only the distinct ones).

The product of its digits is 5760, while the sum is 34.

The square root of 8198125 is about 2863.2368047369. The cubic root of 8198125 is about 201.6375964594.

The spelling of 8198125 in words is "eight million, one hundred ninety-eight thousand, one hundred twenty-five".