288191 has 2 divisors, whose sum is σ = 288192. Its totient is φ = 288190.

The previous prime is 288181. The next prime is 288199. The reversal of 288191 is 191882.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 288191 - 2¹⁰ = 287167 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 (288199) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144095 + 144096.

It is an arithmetic number, because the mean of its divisors is an integer number (144096).

2²⁸⁸¹⁹¹ is an apocalyptic number.

288191 is a deficient number, since it is larger than the sum of its proper divisors (1).

288191 is an equidigital number, since it uses as much as digits as its factorization.

288191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 29.

The square root of 288191 is about 536.8342388485. The cubic root of 288191 is about 66.0531405505.

The spelling of 288191 in words is "two hundred eighty-eight thousand, one hundred ninety-one".