Temp cannot equal 61-63, well, it can, but if that is what you are seeing in the monitoring software it's very unlikely that it is what the core temps are actually at. AMD thermal sensors for FX platform do not work that way.
THe voltage is safe, potentially all the way up to 1.4v, depending on your motherboard quality, cooling capability and specific CPU sample, but you need to verify thermal compliance by either downloading Core Temp and in the Options>Settings>Advanced tab, put a check next to "Show distance to TJmax in thermal fields", or download AMD overdrive. Both will allow you to monitor thermal margin, which is how all Bulldozer and Piledriver platforms must be monitored. The thermal sensors on that platform are not accurate...