255 hp is more effective at over all bulk then throwing it around into other stats. and max s.atk because he is a sweeper, thus: bulky sweeper
255 does no more than 252. So I would suggest going 252 in both and throwing the remaining ones in Defense to get an extra point.
 
 
		



 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		






 
 
		 
 
		 
 
		