289249 has 2 divisors, whose sum is σ = 289250. Its totient is φ = 289248.

The previous prime is 289243. The next prime is 289253. The reversal of 289249 is 942982.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219024 + 70225 = 468^2 + 265^2 .

It is a cyclic number.

It is not a de Polignac number, because 289249 - 2³ = 289241 is a prime.

It is not a weakly prime, because it can be changed into another prime (289241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144624 + 144625.

It is an arithmetic number, because the mean of its divisors is an integer number (144625).

2²⁸⁹²⁴⁹ is an apocalyptic number.

It is an amenable number.

289249 is a deficient number, since it is larger than the sum of its proper divisors (1).

289249 is an equidigital number, since it uses as much as digits as its factorization.

289249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 34.

The square root of 289249 is about 537.8187427005. The cubic root of 289249 is about 66.1338727473.

The spelling of 289249 in words is "two hundred eighty-nine thousand, two hundred forty-nine".