8522425 has 6 divisors (see below), whose sum is σ = 10567838. Its totient is φ = 6817920.

The previous prime is 8522419. The next prime is 8522429. The reversal of 8522425 is 5242258.

8522425 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 1183744 + 7338681 = 1088^2 + 2709^2 .

It is a de Polignac number, because none of the positive numbers 2^k-8522425 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8522393 and 8522402.

It is not an unprimeable number, because it can be changed into a prime (8522429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 170424 + ... + 170473.

Almost surely, 2^8522425 is an apocalyptic number.

It is an amenable number.

8522425 is a deficient number, since it is larger than the sum of its proper divisors (2045413).

8522425 is a wasteful number, since it uses less digits than its factorization.

8522425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340907 (or 340902 counting only the distinct ones).

The product of its digits is 6400, while the sum is 28.

The square root of 8522425 is about 2919.3192699669. The cubic root of 8522425 is about 204.2620702721.

The spelling of 8522425 in words is "eight million, five hundred twenty-two thousand, four hundred twenty-five".