8204851 has 2 divisors, whose sum is σ = 8204852. Its totient is φ = 8204850.

The previous prime is 8204849. The next prime is 8204891. The reversal of 8204851 is 1584028.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8204851 - 2¹ = 8204849 is a prime.

Together with 8204849, it forms a pair of twin primes.

8204851 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (8204891) 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 as a sum of consecutive naturals, namely, 4102425 + 4102426.

It is an arithmetic number, because the mean of its divisors is an integer number (4102426).

Almost surely, 2^8204851 is an apocalyptic number.

8204851 is a deficient number, since it is larger than the sum of its proper divisors (1).

8204851 is an equidigital number, since it uses as much as digits as its factorization.

8204851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 8204851 is about 2864.4111087621. The cubic root of 8204851 is about 201.6927246644.

Adding to 8204851 its reverse (1584028), we get a palindrome (9788879).

It can be divided in two parts, 820 and 4851, that added together give a triangular number (5671 = T₁₀₆).

The spelling of 8204851 in words is "eight million, two hundred four thousand, eight hundred fifty-one".