8478125 has 12 divisors (see below), whose sum is σ = 10600884. Its totient is φ = 6780000.

The previous prime is 8478109. The next prime is 8478131. The reversal of 8478125 is 5218748.

8478125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 4405801 + 4072324 = 2099^2 + 2018^2 .

It is not a de Polignac number, because 8478125 - 2⁴ = 8478109 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1769 + ... + 4481.

It is an arithmetic number, because the mean of its divisors is an integer number (883407).

Almost surely, 2^8478125 is an apocalyptic number.

It is an amenable number.

8478125 is a deficient number, since it is larger than the sum of its proper divisors (2122759).

8478125 is an frugal number, since it uses more digits than its factorization.

8478125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2738 (or 2718 counting only the distinct ones).

The product of its digits is 17920, while the sum is 35.

The square root of 8478125 is about 2911.7219990926. The cubic root of 8478125 is about 203.9075337064.

The spelling of 8478125 in words is "eight million, four hundred seventy-eight thousand, one hundred twenty-five".