212534339 has 2 divisors, whose sum is σ = 212534340. Its totient is φ = 212534338.

The previous prime is 212534321. The next prime is 212534341. The reversal of 212534339 is 933435212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212534339 - 2²⁴ = 195757123 is a prime.

Together with 212534341, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (212534389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106267169 + 106267170.

It is an arithmetic number, because the mean of its divisors is an integer number (106267170).

Almost surely, 2^212534339 is an apocalyptic number.

212534339 is a deficient number, since it is larger than the sum of its proper divisors (1).

212534339 is an equidigital number, since it uses as much as digits as its factorization.

212534339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 32.

The square root of 212534339 is about 14578.5575075177. The cubic root of 212534339 is about 596.7737377770.

The spelling of 212534339 in words is "two hundred twelve million, five hundred thirty-four thousand, three hundred thirty-nine".