8705125 has 32 divisors (see below), whose sum is σ = 12789504. Its totient is φ = 5832000.

The previous prime is 8705111. The next prime is 8705149. The reversal of 8705125 is 5215078.

It is not a de Polignac number, because 8705125 - 2⁵ = 8705093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8705093 and 8705102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17632 + ... + 18118.

It is an arithmetic number, because the mean of its divisors is an integer number (399672).

Almost surely, 2^8705125 is an apocalyptic number.

It is an amenable number.

8705125 is a deficient number, since it is larger than the sum of its proper divisors (4084379).

8705125 is a wasteful number, since it uses less digits than its factorization.

8705125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 8705125 is about 2950.4448817085. Note that the first 3 decimals coincide. The cubic root of 8705125 is about 205.7113892844.

It can be divided in two parts, 870 and 5125, that added together give a palindrome (5995).

The spelling of 8705125 in words is "eight million, seven hundred five thousand, one hundred twenty-five".