Get content from a particular page in WordPress

Code with explanation :

<?php
$page_id = 25;
// 25 should be replaced with a specific Page's id from your site

$page_data = get_page( $page_id );
$content = apply_filters('the_content', $page_data->post_content);

$title = $page_data->post_title; // Get title
echo $content; // Get Content

?>