289061 has 4 divisors (see below), whose sum is σ = 292800. Its totient is φ = 285324.

The previous prime is 289049. The next prime is 289063. The reversal of 289061 is 160982.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 160982 = 2 ⋅80491.

It is a cyclic number.

It is not a de Polignac number, because 289061 - 2⁶ = 288997 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 5.

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 289061.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 289061.

It is not an unprimeable number, because it can be changed into a prime (289063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1751 + ... + 1908.

It is an arithmetic number, because the mean of its divisors is an integer number (73200).

2²⁸⁹⁰⁶¹ is an apocalyptic number.

It is an amenable number.

289061 is a deficient number, since it is larger than the sum of its proper divisors (3739).

289061 is an equidigital number, since it uses as much as digits as its factorization.

289061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3738.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 289061 is about 537.6439342167. The cubic root of 289061 is about 66.1195415393.

The spelling of 289061 in words is "two hundred eighty-nine thousand, sixty-one".