272191 has 2 divisors, whose sum is σ = 272192. Its totient is φ = 272190.

The previous prime is 272189. The next prime is 272201. The reversal of 272191 is 191272.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 272191 - 2¹ = 272189 is a prime.

Together with 272189, it forms a pair of twin primes.

It is a Chen prime.

272191 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136095 + 136096.

It is an arithmetic number, because the mean of its divisors is an integer number (136096).

2²⁷²¹⁹¹ is an apocalyptic number.

272191 is a deficient number, since it is larger than the sum of its proper divisors (1).

272191 is an equidigital number, since it uses as much as digits as its factorization.

272191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 252, while the sum is 22.

The square root of 272191 is about 521.7192731728. The cubic root of 272191 is about 64.8073983068.

The spelling of 272191 in words is "two hundred seventy-two thousand, one hundred ninety-one".