8201851 has 8 divisors (see below), whose sum is σ = 9392864. Its totient is φ = 7015680.

The previous prime is 8201839. The next prime is 8201857. The reversal of 8201851 is 1581028.

8201851 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 8201851 - 2⁵ = 8201819 is a prime.

It is a Duffinian number.

8201851 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8201857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3841 + ... + 5581.

It is an arithmetic number, because the mean of its divisors is an integer number (1174108).

Almost surely, 2^8201851 is an apocalyptic number.

8201851 is a deficient number, since it is larger than the sum of its proper divisors (1191013).

8201851 is a wasteful number, since it uses less digits than its factorization.

8201851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2421.

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 8201851 is about 2863.8873930377. The cubic root of 8201851 is about 201.6681395365.

Adding to 8201851 its reverse (1581028), we get a palindrome (9782879).

The spelling of 8201851 in words is "eight million, two hundred one thousand, eight hundred fifty-one".