using System.Diagnostics;

using System;

​

public class Program

{

    public static void Main()

    {

        var time = new Stopwatch();

        time.Start();

        IsPalindromicNumber(10000000);

        time.Stop();

        Console.WriteLine(time.Elapsed);

    }

    public static bool IsPalindromicNumber(int number)

    {

        if (number < 10)

        {

            return true;

        }

        var minor = number % 10;

        var pow = (int)Math.Pow(10, (int)Math.Log10(number));

        var major = number / pow;

        var nextNumber = (number - major * pow) / 10;

        return minor == major && IsPalindromicNumber(nextNumber);

    }   

}