8213069 has 2 divisors, whose sum is σ = 8213070. Its totient is φ = 8213068.

The previous prime is 8213063. The next prime is 8213071. The reversal of 8213069 is 9603128.

8213069 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7896100 + 316969 = 2810^2 + 563^2 .

It is a cyclic number.

It is not a de Polignac number, because 8213069 - 2⁴ = 8213053 is a prime.

It is a super-2 number, since 2×8213069² = 134909004797522, which contains 22 as substring.

Together with 8213071, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8213063) 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, 4106534 + 4106535.

It is an arithmetic number, because the mean of its divisors is an integer number (4106535).

Almost surely, 2^8213069 is an apocalyptic number.

It is an amenable number.

8213069 is a deficient number, since it is larger than the sum of its proper divisors (1).

8213069 is an equidigital number, since it uses as much as digits as its factorization.

8213069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 8213069 is about 2865.8452505326. The cubic root of 8213069 is about 201.7600408465.

The spelling of 8213069 in words is "eight million, two hundred thirteen thousand, sixty-nine".