214340173 has 2 divisors, whose sum is σ = 214340174. Its totient is φ = 214340172.

The previous prime is 214340171. The next prime is 214340207. The reversal of 214340173 is 371043412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213802884 + 537289 = 14622^2 + 733^2 .

It is a cyclic number.

It is not a de Polignac number, because 214340173 - 2¹ = 214340171 is a prime.

Together with 214340171, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214340171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107170086 + 107170087.

It is an arithmetic number, because the mean of its divisors is an integer number (107170087).

Almost surely, 2^214340173 is an apocalyptic number.

It is an amenable number.

214340173 is a deficient number, since it is larger than the sum of its proper divisors (1).

214340173 is an equidigital number, since it uses as much as digits as its factorization.

214340173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 214340173 is about 14640.3610952736. The cubic root of 214340173 is about 598.4591696048.

Adding to 214340173 its reverse (371043412), we get a palindrome (585383585).

The spelling of 214340173 in words is "two hundred fourteen million, three hundred forty thousand, one hundred seventy-three".