Cannot create MySQL database with name '5e370227_db'

Why I am getting error when I try to create database with name '5e370227_db'?

I am getting the following error:

mysql> create database 5e370227_db;
ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '5e370227_db' at line 1

When I try to create table with name '5a370227_db' (e -> a) the table is created successfuly:

mysql> create database 5a370227_db;
Query OK, 1 row affected (0.00 sec)

Details:

• MYSQL: mysql Ver 14.14 Distrib 5.1.73, for redhat-linux-gnu (x86_64) using readline 5.1


• Linux Centos 2.6.32-358.el6.x86_64


• logged as root


• database admin