8725187 has 4 divisors (see below), whose sum is σ = 8742456. Its totient is φ = 8707920.

The previous prime is 8725183. The next prime is 8725207. The reversal of 8725187 is 7815278.

8725187 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8725187 - 2² = 8725183 is a prime.

It is a super-2 number, since 2×8725187² = 152257776369938, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8725187.

It is not an unprimeable number, because it can be changed into a prime (8725183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7853 + ... + 8894.

It is an arithmetic number, because the mean of its divisors is an integer number (2185614).

Almost surely, 2^8725187 is an apocalyptic number.

8725187 is a deficient number, since it is larger than the sum of its proper divisors (17269).

8725187 is a wasteful number, since it uses less digits than its factorization.

8725187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17268.

The product of its digits is 31360, while the sum is 38.

The square root of 8725187 is about 2953.8427514003. The cubic root of 8725187 is about 205.8692968607.

Subtracting from 8725187 its reverse (7815278), we obtain a palindrome (909909).

The spelling of 8725187 in words is "eight million, seven hundred twenty-five thousand, one hundred eighty-seven".