8213201 has 4 divisors (see below), whose sum is σ = 8222004. Its totient is φ = 8204400.

The previous prime is 8213189. The next prime is 8213207. The reversal of 8213201 is 1023128.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3478225 + 4734976 = 1865^2 + 2176^2 .

It is a cyclic number.

It is not a de Polignac number, because 8213201 - 2¹⁴ = 8196817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8213201.

It is not an unprimeable number, because it can be changed into a prime (8213207) 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, 2810 + ... + 4931.

It is an arithmetic number, because the mean of its divisors is an integer number (2055501).

Almost surely, 2^8213201 is an apocalyptic number.

It is an amenable number.

8213201 is a deficient number, since it is larger than the sum of its proper divisors (8803).

8213201 is a wasteful number, since it uses less digits than its factorization.

8213201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8802.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 8213201 is about 2865.8682802948. The cubic root of 8213201 is about 201.7611217328.

Adding to 8213201 its reverse (1023128), we get a palindrome (9236329).

The spelling of 8213201 in words is "eight million, two hundred thirteen thousand, two hundred one".