289134841 has 2 divisors, whose sum is σ = 289134842. Its totient is φ = 289134840.

The previous prime is 289134809. The next prime is 289134847. The reversal of 289134841 is 148431982.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 261792400 + 27342441 = 16180^2 + 5229^2 .

It is a cyclic number.

It is not a de Polignac number, because 289134841 - 2⁵ = 289134809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 289134794 and 289134803.

It is not a weakly prime, because it can be changed into another prime (289134847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144567420 + 144567421.

It is an arithmetic number, because the mean of its divisors is an integer number (144567421).

Almost surely, 2^289134841 is an apocalyptic number.

It is an amenable number.

289134841 is a deficient number, since it is larger than the sum of its proper divisors (1).

289134841 is an equidigital number, since it uses as much as digits as its factorization.

289134841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 40.

The square root of 289134841 is about 17003.9654492709. The cubic root of 289134841 is about 661.2517116699.

The spelling of 289134841 in words is "two hundred eighty-nine million, one hundred thirty-four thousand, eight hundred forty-one".