530

Number
$530$ (five hundred and thirty) is:
 * $2 \times 5 \times 53$


 * The $42$nd untouchable number after $2$, $5$, $52$, $88$, $96$, $120$, $124$, $\ldots$, $406$, $408$, $426$, $430$, $448$, $472$, $474$, $498$, $516$, $518$, $520$