212704319 has 2 divisors, whose sum is σ = 212704320. Its totient is φ = 212704318.

The previous prime is 212704291. The next prime is 212704343. The reversal of 212704319 is 913407212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212704319 is a prime.

It is a super-2 number, since 2×212704319² = 90486254642507522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 212704291 and 212704300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212704399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106352159 + 106352160.

It is an arithmetic number, because the mean of its divisors is an integer number (106352160).

Almost surely, 2^212704319 is an apocalyptic number.

212704319 is a deficient number, since it is larger than the sum of its proper divisors (1).

212704319 is an equidigital number, since it uses as much as digits as its factorization.

212704319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 212704319 is about 14584.3861372359. The cubic root of 212704319 is about 596.9327906143.

The spelling of 212704319 in words is "two hundred twelve million, seven hundred four thousand, three hundred nineteen".