8520945250 has 16 divisors (see below), whose sum is σ = 15951209976. Its totient is φ = 3408378000.

The previous prime is 8520945227. The next prime is 8520945281. The reversal of 8520945250 is 525490258.

It can be written as a sum of positive squares in 4 ways, for example, as 3744338481 + 4776606769 = 61191^2 + 69113^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17041641 + ... + 17042140.

Almost surely, 2^8520945250 is an apocalyptic number.

8520945250 is a deficient number, since it is larger than the sum of its proper divisors (7430264726).

8520945250 is a wasteful number, since it uses less digits than its factorization.

8520945250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34083798 (or 34083788 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 40.

The square root of 8520945250 is about 92308.9662492220. The cubic root of 8520945250 is about 2042.5024756932.

The spelling of 8520945250 in words is "eight billion, five hundred twenty million, nine hundred forty-five thousand, two hundred fifty".