8525225 has 12 divisors (see below), whose sum is σ = 10673424. Its totient is φ = 6754320.

The previous prime is 8525213. The next prime is 8525227. The reversal of 8525225 is 5225258.

It is not a de Polignac number, because 8525225 - 2⁶ = 8525161 is a prime.

It is a super-2 number, since 2×8525225² = 145358922601250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8525227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1082 + ... + 4268.

It is an arithmetic number, because the mean of its divisors is an integer number (889452).

Almost surely, 2^8525225 is an apocalyptic number.

It is an amenable number.

8525225 is a deficient number, since it is larger than the sum of its proper divisors (2148199).

8525225 is a wasteful number, since it uses less digits than its factorization.

8525225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3304 (or 3299 counting only the distinct ones).

The product of its digits is 8000, while the sum is 29.

The square root of 8525225 is about 2919.7987944377. The cubic root of 8525225 is about 204.2844375824.

The spelling of 8525225 in words is "eight million, five hundred twenty-five thousand, two hundred twenty-five".