214091 has 2 divisors, whose sum is σ = 214092. Its totient is φ = 214090.

The previous prime is 214087. The next prime is 214129. The reversal of 214091 is 190412.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 214091 - 2² = 214087 is a prime.

It is a Chen prime.

It is a plaindrome in base 16.

It is not a weakly prime, because it can be changed into another prime (214021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107045 + 107046.

It is an arithmetic number, because the mean of its divisors is an integer number (107046).

2²¹⁴⁰⁹¹ is an apocalyptic number.

214091 is a deficient number, since it is larger than the sum of its proper divisors (1).

214091 is an equidigital number, since it uses as much as digits as its factorization.

214091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 214091 is about 462.6996866219. The cubic root of 214091 is about 59.8227174382.

It can be divided in two parts, 2 and 14091, that multiplied together give a palindrome (28182).

The spelling of 214091 in words is "two hundred fourteen thousand, ninety-one".