8204161 has 4 divisors (see below), whose sum is σ = 9376192. Its totient is φ = 7032132.

The previous prime is 8204113. The next prime is 8204167. The reversal of 8204161 is 1614028.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8204161 - 2⁷ = 8204033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8204167) 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, 586005 + ... + 586018.

It is an arithmetic number, because the mean of its divisors is an integer number (2344048).

Almost surely, 2^8204161 is an apocalyptic number.

It is an amenable number.

8204161 is a deficient number, since it is larger than the sum of its proper divisors (1172031).

8204161 is a wasteful number, since it uses less digits than its factorization.

8204161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172030.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 8204161 is about 2864.2906626249. The cubic root of 8204161 is about 201.6870706157.

Adding to 8204161 its reverse (1614028), we get a palindrome (9818189).

The spelling of 8204161 in words is "eight million, two hundred four thousand, one hundred sixty-one".