425102225 has 12 divisors (see below), whose sum is σ = 544131840. Its totient is φ = 329110800.

The previous prime is 425102191. The next prime is 425102243. The reversal of 425102225 is 522201524.

It is not a de Polignac number, because 425102225 - 2⁸ = 425101969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 425102225.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 273485 + ... + 275034.

It is an arithmetic number, because the mean of its divisors is an integer number (45344320).

Almost surely, 2^425102225 is an apocalyptic number.

It is an amenable number.

425102225 is a deficient number, since it is larger than the sum of its proper divisors (119029615).

425102225 is a wasteful number, since it uses less digits than its factorization.

425102225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548560 (or 548555 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 425102225 is about 20618.0072994458. The cubic root of 425102225 is about 751.9075737328.

Adding to 425102225 its reverse (522201524), we get a palindrome (947303749).

The spelling of 425102225 in words is "four hundred twenty-five million, one hundred two thousand, two hundred twenty-five".