8506225 has 24 divisors (see below), whose sum is σ = 12985280. Its totient is φ = 5382720.

The previous prime is 8506219. The next prime is 8506271. The reversal of 8506225 is 5226058.

It is not a de Polignac number, because 8506225 - 2¹⁵ = 8473457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8506193 and 8506202.

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 23 ways as a sum of consecutive naturals, for example, 406 + ... + 4144.

Almost surely, 2^8506225 is an apocalyptic number.

It is an amenable number.

8506225 is a deficient number, since it is larger than the sum of its proper divisors (4479055).

8506225 is a wasteful number, since it uses less digits than its factorization.

8506225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3769 (or 3764 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 8506225 is about 2916.5433307256. The cubic root of 8506225 is about 204.1325631408.

The spelling of 8506225 in words is "eight million, five hundred six thousand, two hundred twenty-five".