"Never Really Over" is a song by American singer Katy Perry. It was released as a single through Capitol Records on May 31, 2019."

A = 1
Z = 26

Archangel adds up to 69

"May 31 is the 151st day of the year (152nd in leap years) in the Gregorian calendar. 214 days remain until the end of the year."

Jesus Christ adds up to 151

214

Her last song was 365

"365" is a song by Russian-German music producer Zedd and American singer Katy Perry. It was released on February 14, 2019 along with its music video, directed by Warren Fu."

That's 2/14

"February 14 is the 45th day of the year in the Gregorian calendar."

45th prime is 197

Never really over adds up to 197