214318187 has 2 divisors, whose sum is σ = 214318188. Its totient is φ = 214318186.

The previous prime is 214318121. The next prime is 214318189. The reversal of 214318187 is 781813412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 214318187 - 2⁸ = 214317931 is a prime.

Together with 214318189, 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 (214318189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107159093 + 107159094.

It is an arithmetic number, because the mean of its divisors is an integer number (107159094).

Almost surely, 2^214318187 is an apocalyptic number.

214318187 is a deficient number, since it is larger than the sum of its proper divisors (1).

214318187 is an equidigital number, since it uses as much as digits as its factorization.

214318187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 35.

The square root of 214318187 is about 14639.6102065595. The cubic root of 214318187 is about 598.4387065359.

The spelling of 214318187 in words is "two hundred fourteen million, three hundred eighteen thousand, one hundred eighty-seven".