214681871 has 2 divisors, whose sum is σ = 214681872. Its totient is φ = 214681870.

The previous prime is 214681861. The next prime is 214681879. The reversal of 214681871 is 178186412.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 214681871 - 2¹⁴ = 214665487 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214681879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107340935 + 107340936.

It is an arithmetic number, because the mean of its divisors is an integer number (107340936).

Almost surely, 2^214681871 is an apocalyptic number.

214681871 is a deficient number, since it is larger than the sum of its proper divisors (1).

214681871 is an equidigital number, since it uses as much as digits as its factorization.

214681871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21504, while the sum is 38.

The square root of 214681871 is about 14652.0261738778. The cubic root of 214681871 is about 598.7770190750. Note that the first 3 decimals are identical.

The spelling of 214681871 in words is "two hundred fourteen million, six hundred eighty-one thousand, eight hundred seventy-one".