8213441 has 2 divisors, whose sum is σ = 8213442. Its totient is φ = 8213440.

The previous prime is 8213437. The next prime is 8213459. The reversal of 8213441 is 1443128.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5640625 + 2572816 = 2375^2 + 1604^2 .

It is a cyclic number.

It is not a de Polignac number, because 8213441 - 2² = 8213437 is a prime.

It is a super-2 number, since 2×8213441² = 134921226120962, which contains 22 as substring.

It is a Chen prime.

It is equal to p₅₅₃₁₈₁ and since 8213441 and 553181 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (8213411) 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, 4106720 + 4106721.

It is an arithmetic number, because the mean of its divisors is an integer number (4106721).

Almost surely, 2^8213441 is an apocalyptic number.

It is an amenable number.

8213441 is a deficient number, since it is larger than the sum of its proper divisors (1).

8213441 is an equidigital number, since it uses as much as digits as its factorization.

8213441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 23.

The square root of 8213441 is about 2865.9101521157. The cubic root of 8213441 is about 201.7630869511.

Adding to 8213441 its reverse (1443128), we get a palindrome (9656569).

The spelling of 8213441 in words is "eight million, two hundred thirteen thousand, four hundred forty-one".