215335213 has 2 divisors, whose sum is σ = 215335214. Its totient is φ = 215335212.

The previous prime is 215335171. The next prime is 215335217. The reversal of 215335213 is 312533512.

215335213 is digitally balanced in base 2, 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., 214417449 + 917764 = 14643^2 + 958^2 .

It is a cyclic number.

It is not a de Polignac number, because 215335213 - 2⁹ = 215334701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (215335217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107667606 + 107667607.

It is an arithmetic number, because the mean of its divisors is an integer number (107667607).

Almost surely, 2^215335213 is an apocalyptic number.

It is an amenable number.

215335213 is a deficient number, since it is larger than the sum of its proper divisors (1).

215335213 is an equidigital number, since it uses as much as digits as its factorization.

215335213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2700, while the sum is 25.

The square root of 215335213 is about 14674.3045150358. The cubic root of 215335213 is about 599.3838239098.

Adding to 215335213 its reverse (312533512), we get a palindrome (527868725).

The spelling of 215335213 in words is "two hundred fifteen million, three hundred thirty-five thousand, two hundred thirteen".