8649125 has 8 divisors (see below), whose sum is σ = 10794264. Its totient is φ = 6919200.

The previous prime is 8649103. The next prime is 8649187. The reversal of 8649125 is 5219468.

It can be written as a sum of positive squares in 4 ways, for example, as 81796 + 8567329 = 286^2 + 2927^2 .

It is not a de Polignac number, because 8649125 - 2⁶ = 8649061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 34472 + ... + 34721.

It is an arithmetic number, because the mean of its divisors is an integer number (1349283).

Almost surely, 2^8649125 is an apocalyptic number.

It is an amenable number.

8649125 is a deficient number, since it is larger than the sum of its proper divisors (2145139).

8649125 is an equidigital number, since it uses as much as digits as its factorization.

8649125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69208 (or 69198 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 8649125 is about 2940.9394757458. The cubic root of 8649125 is about 205.2693267521.

The spelling of 8649125 in words is "eight million, six hundred forty-nine thousand, one hundred twenty-five".