8528213 has 2 divisors, whose sum is σ = 8528214. Its totient is φ = 8528212.

The previous prime is 8528209. The next prime is 8528243. The reversal of 8528213 is 3128258.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4986289 + 3541924 = 2233^2 + 1882^2 .

It is a cyclic number.

It is not a de Polignac number, because 8528213 - 2² = 8528209 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8528243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4264106 + 4264107.

It is an arithmetic number, because the mean of its divisors is an integer number (4264107).

Almost surely, 2^8528213 is an apocalyptic number.

It is an amenable number.

8528213 is a deficient number, since it is larger than the sum of its proper divisors (1).

8528213 is an equidigital number, since it uses as much as digits as its factorization.

8528213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840, while the sum is 29.

The square root of 8528213 is about 2920.3104287045. The cubic root of 8528213 is about 204.3083012967.

The spelling of 8528213 in words is "eight million, five hundred twenty-eight thousand, two hundred thirteen".