953

Number
$953$ (nine hundred and fifty-three) is:


 * The $162$nd prime number


 * The $37$th Sophie Germain prime after $2$, $3$, $5$, $11$, $23$, $29$, $41$, $\ldots$, $431$, $443$, $491$, $509$, $593$, $641$, $653$, $659$, $683$, $719$, $743$, $761$, $809$, $911$:
 * $2 \times 953 + 1 = 1907$, which is prime.