214335391 has 2 divisors, whose sum is σ = 214335392. Its totient is φ = 214335390.

The previous prime is 214335389. The next prime is 214335421. The reversal of 214335391 is 193533412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 214335391 - 2¹ = 214335389 is a prime.

Together with 214335389, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_11827453 and since 214335391 and 11827453 have the same sum of digits, it is a Honaker prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214335991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107167695 + 107167696.

It is an arithmetic number, because the mean of its divisors is an integer number (107167696).

Almost surely, 2^214335391 is an apocalyptic number.

214335391 is a deficient number, since it is larger than the sum of its proper divisors (1).

214335391 is an equidigital number, since it uses as much as digits as its factorization.

214335391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 31.

The square root of 214335391 is about 14640.1977787187. The cubic root of 214335391 is about 598.4547189645.

The spelling of 214335391 in words is "two hundred fourteen million, three hundred thirty-five thousand, three hundred ninety-one".