289193 has 2 divisors, whose sum is σ = 289194. Its totient is φ = 289192.

The previous prime is 289189. The next prime is 289213. The reversal of 289193 is 391982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 267289 + 21904 = 517^2 + 148^2 .

It is a cyclic number.

It is not a de Polignac number, because 289193 - 2² = 289189 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (289103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144596 + 144597.

It is an arithmetic number, because the mean of its divisors is an integer number (144597).

2²⁸⁹¹⁹³ is an apocalyptic number.

It is an amenable number.

289193 is a deficient number, since it is larger than the sum of its proper divisors (1).

289193 is an equidigital number, since it uses as much as digits as its factorization.

289193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 32.

The square root of 289193 is about 537.7666780305. The cubic root of 289193 is about 66.1296045264.

The spelling of 289193 in words is "two hundred eighty-nine thousand, one hundred ninety-three".