8664125 has 8 divisors (see below), whose sum is σ = 10812984. Its totient is φ = 6931200.

The previous prime is 8664109. The next prime is 8664157. The reversal of 8664125 is 5214668.

It can be written as a sum of positive squares in 4 ways, for example, as 155236 + 8508889 = 394^2 + 2917^2 .

It is not a de Polignac number, because 8664125 - 2⁴ = 8664109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8664091 and 8664100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34532 + ... + 34781.

It is an arithmetic number, because the mean of its divisors is an integer number (1351623).

Almost surely, 2^8664125 is an apocalyptic number.

It is an amenable number.

8664125 is a deficient number, since it is larger than the sum of its proper divisors (2148859).

8664125 is an equidigital number, since it uses as much as digits as its factorization.

8664125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69328 (or 69318 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 8664125 is about 2943.4885765024. The cubic root of 8664125 is about 205.3879230125.

The spelling of 8664125 in words is "eight million, six hundred sixty-four thousand, one hundred twenty-five".