The part number is CAP CER 560PF 2.5KV X7R 2225, which refers to a specific ceramic capacitor with the following characteristics: capacitance of 560 picofarads (pF), rated voltage of 2500 volts (2.5kV), and a temperature coefficient of X7R. This component is packaged in a metric case size 2225 and has a tolerance of ±10%.