425532225 has 48 divisors (see below), whose sum is σ = 732542400. Its totient is φ = 217701120.

The previous prime is 425532203. The next prime is 425532251. The reversal of 425532225 is 522235524.

It is not a de Polignac number, because 425532225 - 2⁵ = 425532193 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 425532192 and 425532201.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 388779 + ... + 389871.

It is an arithmetic number, because the mean of its divisors is an integer number (15261300).

Almost surely, 2^425532225 is an apocalyptic number.

It is an amenable number.

425532225 is a deficient number, since it is larger than the sum of its proper divisors (307010175).

425532225 is a wasteful number, since it uses less digits than its factorization.

425532225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314 (or 1309 counting only the distinct ones).

The product of its digits is 24000, while the sum is 30.

The square root of 425532225 is about 20628.4324416568. The cubic root of 425532225 is about 752.1610118345.

Adding to 425532225 its reverse (522235524), we get a palindrome (947767749).

The spelling of 425532225 in words is "four hundred twenty-five million, five hundred thirty-two thousand, two hundred twenty-five".