8487225 has 36 divisors (see below), whose sum is σ = 15455856. Its totient is φ = 4451040.

The previous prime is 8487223. The next prime is 8487229. The reversal of 8487225 is 5227848.

It is a happy number.

It is not a de Polignac number, because 8487225 - 2¹ = 8487223 is a prime.

8487225 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 8487225.

It is not an unprimeable number, because it can be changed into a prime (8487221) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14794 + ... + 15356.

Almost surely, 2^8487225 is an apocalyptic number.

It is an amenable number.

8487225 is a deficient number, since it is larger than the sum of its proper divisors (6968631).

8487225 is a wasteful number, since it uses less digits than its factorization.

8487225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646 (or 638 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 8487225 is about 2913.2842291819. The cubic root of 8487225 is about 203.9804623734.

The spelling of 8487225 in words is "eight million, four hundred eighty-seven thousand, two hundred twenty-five".