214601191 has 4 divisors (see below), whose sum is σ = 245258512. Its totient is φ = 183943872.

The previous prime is 214601141. The next prime is 214601197. The reversal of 214601191 is 191106412.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 214601191 - 2¹³ = 214592999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214601197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15328650 + ... + 15328663.

It is an arithmetic number, because the mean of its divisors is an integer number (61314628).

Almost surely, 2^214601191 is an apocalyptic number.

214601191 is a deficient number, since it is larger than the sum of its proper divisors (30657321).

214601191 is an equidigital number, since it uses as much as digits as its factorization.

214601191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30657320.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 214601191 is about 14649.2727123226. The cubic root of 214601191 is about 598.7020005019.

The spelling of 214601191 in words is "two hundred fourteen million, six hundred one thousand, one hundred ninety-one".