Also PS You are looking at the universal APK, which contains the binaries for all CPU structures. OBVIOUSLY the one that's meant for your phone will be smaller. Mine was like 170 mb
Dude it's basically nothing. Mp3s have been/could be considered small for like 10+ years. It's much larger than I think it should be but it's not like it's an unreasonable space hog. File sizes have been inflating steadily for years as internet speeds increase worldwide