214188971 has 2 divisors, whose sum is σ = 214188972. Its totient is φ = 214188970.

The previous prime is 214188959. The next prime is 214188973. The reversal of 214188971 is 179881412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 214188971 - 2¹⁴ = 214172587 is a prime.

Together with 214188973, 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 (214188973) 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, 107094485 + 107094486.

It is an arithmetic number, because the mean of its divisors is an integer number (107094486).

Almost surely, 2^214188971 is an apocalyptic number.

214188971 is a deficient number, since it is larger than the sum of its proper divisors (1).

214188971 is an equidigital number, since it uses as much as digits as its factorization.

214188971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 41.

The square root of 214188971 is about 14635.1963088986. The cubic root of 214188971 is about 598.3184128067.

The spelling of 214188971 in words is "two hundred fourteen million, one hundred eighty-eight thousand, nine hundred seventy-one".