289223041 has 4 divisors (see below), whose sum is σ = 289379332. Its totient is φ = 289066752.

The previous prime is 289222951. The next prime is 289223063. The reversal of 289223041 is 140322982.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 140322982 = 2 ⋅70161491.

It can be written as a sum of positive squares in 2 ways, for example, as 9363600 + 279859441 = 3060^2 + 16729^2 .

It is a cyclic number.

It is not a de Polignac number, because 289223041 - 2¹⁷ = 289091969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 289222994 and 289223012.

It is not an unprimeable number, because it can be changed into a prime (289223141) 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, 75336 + ... + 79081.

It is an arithmetic number, because the mean of its divisors is an integer number (72344833).

Almost surely, 2^289223041 is an apocalyptic number.

It is an amenable number.

289223041 is a deficient number, since it is larger than the sum of its proper divisors (156291).

289223041 is a wasteful number, since it uses less digits than its factorization.

289223041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156290.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 289223041 is about 17006.5587641945. The cubic root of 289223041 is about 661.3189426678.

The spelling of 289223041 in words is "two hundred eighty-nine million, two hundred twenty-three thousand, forty-one".