Both n and the reverse of n are powerful(1) numbers (A001694).

Terms

a(0) =1a(1) =4a(2) =8a(3) =9a(4) =27a(5) =72a(6) =100a(7) =121a(8) =144a(9) =169a(10) =343a(11) =400a(12) =441a(13) =484a(14) =576a(15) =675a(16) =676a(17) =800a(18) =900a(19) =961a(20) =1000a(21) =1089a(22) =1331a(23) =1800a(24) =2700a(25) =3087a(26) =4000a(27) =7200a(28) =7803a(29) =8000