7175

7175 = 5 x 5 x 7 x 41.

7175 is 1110000000111 in base 2 (binary) (A222813). It is 1300013 in base 4.

7175 is a centered octahedral number (A001845). It is also a tetradecagonal number (A051866).

7175 divides 64¹⁰ - 1.

Source: What's Special About This Number?