8213089 has 2 divisors, whose sum is σ = 8213090. Its totient is φ = 8213088.

The previous prime is 8213071. The next prime is 8213123. The reversal of 8213089 is 9803128.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8179600 + 33489 = 2860^2 + 183^2 .

It is a cyclic number.

It is not a de Polignac number, because 8213089 - 2⁷ = 8212961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8213089.

It is not a weakly prime, because it can be changed into another prime (8213059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4106544 + 4106545.

It is an arithmetic number, because the mean of its divisors is an integer number (4106545).

Almost surely, 2^8213089 is an apocalyptic number.

It is an amenable number.

8213089 is a deficient number, since it is larger than the sum of its proper divisors (1).

8213089 is an equidigital number, since it uses as much as digits as its factorization.

8213089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 8213089 is about 2865.8487399024. The cubic root of 8213089 is about 201.7602046179.

The spelling of 8213089 in words is "eight million, two hundred thirteen thousand, eighty-nine".