8705225 has 6 divisors (see below), whose sum is σ = 10794510. Its totient is φ = 6964160.

The previous prime is 8705219. The next prime is 8705237. The reversal of 8705225 is 5225078.

It can be written as a sum of positive squares in 3 ways, for example, as 1290496 + 7414729 = 1136^2 + 2723^2 .

It is a de Polignac number, because none of the positive numbers 2^k-8705225 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 174080 + ... + 174129.

It is an arithmetic number, because the mean of its divisors is an integer number (1799085).

Almost surely, 2^8705225 is an apocalyptic number.

It is an amenable number.

8705225 is a deficient number, since it is larger than the sum of its proper divisors (2089285).

8705225 is a wasteful number, since it uses less digits than its factorization.

8705225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348219 (or 348214 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 8705225 is about 2950.4618282567. The cubic root of 8705225 is about 205.7121769836.

The spelling of 8705225 in words is "eight million, seven hundred five thousand, two hundred twenty-five".