289513229 has 2 divisors, whose sum is σ = 289513230. Its totient is φ = 289513228.

The previous prime is 289513223. The next prime is 289513249. The reversal of 289513229 is 922315982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 249798025 + 39715204 = 15805^2 + 6302^2 .

It is a cyclic number.

It is not a de Polignac number, because 289513229 - 2¹⁶ = 289447693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (289513223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144756614 + 144756615.

It is an arithmetic number, because the mean of its divisors is an integer number (144756615).

Almost surely, 2^289513229 is an apocalyptic number.

It is an amenable number.

289513229 is a deficient number, since it is larger than the sum of its proper divisors (1).

289513229 is an equidigital number, since it uses as much as digits as its factorization.

289513229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 41.

The square root of 289513229 is about 17015.0882748224. The cubic root of 289513229 is about 661.5400438567.

The spelling of 289513229 in words is "two hundred eighty-nine million, five hundred thirteen thousand, two hundred twenty-nine".