213342329 has 2 divisors, whose sum is σ = 213342330. Its totient is φ = 213342328.

The previous prime is 213342301. The next prime is 213342359. The reversal of 213342329 is 923243312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213160000 + 182329 = 14600^2 + 427^2 .

It is a cyclic number.

It is not a de Polignac number, because 213342329 - 2¹² = 213338233 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (213342359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106671164 + 106671165.

It is an arithmetic number, because the mean of its divisors is an integer number (106671165).

Almost surely, 2^213342329 is an apocalyptic number.

It is an amenable number.

213342329 is a deficient number, since it is larger than the sum of its proper divisors (1).

213342329 is an equidigital number, since it uses as much as digits as its factorization.

213342329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 29.

The square root of 213342329 is about 14606.2428091553. The cubic root of 213342329 is about 597.5290313444.

The spelling of 213342329 in words is "two hundred thirteen million, three hundred forty-two thousand, three hundred twenty-nine".