25 × 52 × 421
1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 421, 800, 842, 1684, 2105, 3368, 4210, 6736, 8420, 10525, 13472, 16840, 21050, 33680, 42100, 67360, 84200, 168400 and 336800
No.
Its nearest Fibonacci number neighbors are 317811 and 514229.