8516851 has 4 divisors (see below), whose sum is σ = 9733552. Its totient is φ = 7300152.

The previous prime is 8516843. The next prime is 8516857. The reversal of 8516851 is 1586158.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8516851 - 2³ = 8516843 is a prime.

It is a Duffinian number.

8516851 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8516857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 608340 + ... + 608353.

It is an arithmetic number, because the mean of its divisors is an integer number (2433388).

Almost surely, 2^8516851 is an apocalyptic number.

8516851 is a deficient number, since it is larger than the sum of its proper divisors (1216701).

8516851 is a wasteful number, since it uses less digits than its factorization.

8516851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216700.

The product of its digits is 9600, while the sum is 34.

The square root of 8516851 is about 2918.3644392022. The cubic root of 8516851 is about 204.2175287600.

The spelling of 8516851 in words is "eight million, five hundred sixteen thousand, eight hundred fifty-one".