cyclic number

English

cyclic number (plural cyclic numbers)

Examples
142857 × 1 = 142857 142857 × 2 = 285714 142857 × 3 = 428571 142857 × 4 = 571428 142857 × 5 = 714285 142857 × 6 = 857142

(mathematics) An integer for which cyclic permutations of the digits are successive integer multiples of the number.
(group theory) A natural number n such that n and φ(n) (that is, Euler's totient function) are coprime.

integer for which cyclic permutations of the digits are successive integer multiples of the number