289001 has 2 divisors, whose sum is σ = 289002. Its totient is φ = 289000.

The previous prime is 288997. The next prime is 289019. The reversal of 289001 is 100982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 249001 + 40000 = 499^2 + 200^2 .

It is a cyclic number.

It is not a de Polignac number, because 289001 - 2² = 288997 is a prime.

It is not a weakly prime, because it can be changed into another prime (289021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144500 + 144501.

It is an arithmetic number, because the mean of its divisors is an integer number (144501).

2²⁸⁹⁰⁰¹ is an apocalyptic number.

It is an amenable number.

289001 is a deficient number, since it is larger than the sum of its proper divisors (1).

289001 is an equidigital number, since it uses as much as digits as its factorization.

289001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 289001 is about 537.5881323095. The cubic root of 289001 is about 66.1149664416.

Adding to 289001 its reverse (100982), we get a palindrome (389983).

The spelling of 289001 in words is "two hundred eighty-nine thousand, one".