8387125 has 16 divisors (see below), whose sum is σ = 10548720. Its totient is φ = 6657600.

The previous prime is 8387117. The next prime is 8387129. The reversal of 8387125 is 5217838.

It can be written as a sum of positive squares in 8 ways, for example, as 40804 + 8346321 = 202^2 + 2889^2 .

It is not a de Polignac number, because 8387125 - 2³ = 8387117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8387129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28479 + ... + 28771.

It is an arithmetic number, because the mean of its divisors is an integer number (659295).

Almost surely, 2^8387125 is an apocalyptic number.

It is an amenable number.

8387125 is a deficient number, since it is larger than the sum of its proper divisors (2161595).

8387125 is a wasteful number, since it uses less digits than its factorization.

8387125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537 (or 527 counting only the distinct ones).

The product of its digits is 13440, while the sum is 34.

The square root of 8387125 is about 2896.0533489561. The cubic root of 8387125 is about 203.1753602943.

The spelling of 8387125 in words is "eight million, three hundred eighty-seven thousand, one hundred twenty-five".