8685245 has 4 divisors (see below), whose sum is σ = 10422300. Its totient is φ = 6948192.

The previous prime is 8685227. The next prime is 8685251. The reversal of 8685245 is 5425868.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2524921 + 6160324 = 1589^2 + 2482^2 .

It is a cyclic number.

It is not a de Polignac number, because 8685245 - 2²⁰ = 7636669 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8685199 and 8685208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 868520 + ... + 868529.

It is an arithmetic number, because the mean of its divisors is an integer number (2605575).

Almost surely, 2^8685245 is an apocalyptic number.

It is an amenable number.

8685245 is a deficient number, since it is larger than the sum of its proper divisors (1737055).

8685245 is a wasteful number, since it uses less digits than its factorization.

8685245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737054.

The product of its digits is 76800, while the sum is 38.

The square root of 8685245 is about 2947.0739726040. The cubic root of 8685245 is about 205.5546747250.

The spelling of 8685245 in words is "eight million, six hundred eighty-five thousand, two hundred forty-five".