8530213 has 2 divisors, whose sum is σ = 8530214. Its totient is φ = 8530212.

The previous prime is 8530133. The next prime is 8530219. The reversal of 8530213 is 3120358.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6360484 + 2169729 = 2522^2 + 1473^2 .

It is a cyclic number.

It is not a de Polignac number, because 8530213 - 2¹³ = 8522021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8530219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4265106 + 4265107.

It is an arithmetic number, because the mean of its divisors is an integer number (4265107).

Almost surely, 2^8530213 is an apocalyptic number.

It is an amenable number.

8530213 is a deficient number, since it is larger than the sum of its proper divisors (1).

8530213 is an equidigital number, since it uses as much as digits as its factorization.

8530213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 8530213 is about 2920.6528379799. The cubic root of 8530213 is about 204.3242712177.

The spelling of 8530213 in words is "eight million, five hundred thirty thousand, two hundred thirteen".