How to get category name by category id in Magento

Display category name by category id in Magento.

<?php
     
        $categoryId = 5;      //  Change category id according to you

  // display name and other detail of all category       

  $_category = Mage::getModel('catalog/category')->load($categoryId);

// category name 

echo $categoryName = $_category->getName();
 

// category description 

echo $categoryDescription = $_category->getDescription();

 

// category url 

echo $categoryUrl = $_category->getUrl();

   

// category thumbnail 

echo $categoryThumbnail = $_category->getThumbnail();

 

// category level 

echo $categoryLevel = $_category->getLevel();

 

// parent category

echo $parentCategoryId = $_category->getParentId();

?>