214400171 has 2 divisors, whose sum is σ = 214400172. Its totient is φ = 214400170.

The previous prime is 214400129. The next prime is 214400203. The reversal of 214400171 is 171004412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 214400171 - 2¹⁰ = 214399147 is a prime.

It is not a weakly prime, because it can be changed into another prime (214400071) 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, 107200085 + 107200086.

It is an arithmetic number, because the mean of its divisors is an integer number (107200086).

Almost surely, 2^214400171 is an apocalyptic number.

214400171 is a deficient number, since it is larger than the sum of its proper divisors (1).

214400171 is an equidigital number, since it uses as much as digits as its factorization.

214400171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 214400171 is about 14642.4100133824. The cubic root of 214400171 is about 598.5150045314.

Adding to 214400171 its reverse (171004412), we get a palindrome (385404583).

The spelling of 214400171 in words is "two hundred fourteen million, four hundred thousand, one hundred seventy-one".