8520873 has 8 divisors (see below), whose sum is σ = 11959200. Its totient is φ = 5381568.

The previous prime is 8520851. The next prime is 8520887. The reversal of 8520873 is 3780258.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8520873 - 2²¹ = 6423721 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8520803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74688 + ... + 74801.

It is an arithmetic number, because the mean of its divisors is an integer number (1494900).

Almost surely, 2^8520873 is an apocalyptic number.

It is an amenable number.

8520873 is a deficient number, since it is larger than the sum of its proper divisors (3438327).

8520873 is a wasteful number, since it uses less digits than its factorization.

8520873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149511.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 8520873 is about 2919.0534424707. The cubic root of 8520873 is about 204.2496702812.

The spelling of 8520873 in words is "eight million, five hundred twenty thousand, eight hundred seventy-three".