213324389 has 2 divisors, whose sum is σ = 213324390. Its totient is φ = 213324388.

The previous prime is 213324373. The next prime is 213324403. The reversal of 213324389 is 983423312.

213324389 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., 170093764 + 43230625 = 13042^2 + 6575^2 .

It is a cyclic number.

It is not a de Polignac number, because 213324389 - 2⁴ = 213324373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213324329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106662194 + 106662195.

It is an arithmetic number, because the mean of its divisors is an integer number (106662195).

Almost surely, 2^213324389 is an apocalyptic number.

It is an amenable number.

213324389 is a deficient number, since it is larger than the sum of its proper divisors (1).

213324389 is an equidigital number, since it uses as much as digits as its factorization.

213324389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 35.

The square root of 213324389 is about 14605.6286752745. The cubic root of 213324389 is about 597.5122820955.

The spelling of 213324389 in words is "two hundred thirteen million, three hundred twenty-four thousand, three hundred eighty-nine".