She has the best affinity with Kurama's chakra out of all the previous Jinchuriki's, as stated by the Nine-tails. Madara was capable enough to give Hashirama a hard time, and this one fact speaks ...

However, after Madara gained access to more power, he used the Gedo Statue to pull the Nine Tails from within Naruto. Naruto was able to survive this for quite a while due to his Uzumaki lineage.