225530453425 has 12 divisors (see below), whose sum is σ = 279673907760. Its totient is φ = 180413946320.

The previous prime is 225530453417. The next prime is 225530453431. The reversal of 225530453425 is 524354035522.

It is not a de Polignac number, because 225530453425 - 2³ = 225530453417 is a prime.

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, 197034 + ... + 699916.

It is an arithmetic number, because the mean of its divisors is an integer number (23306158980).

Almost surely, 2^225530453425 is an apocalyptic number.

225530453425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

225530453425 is a deficient number, since it is larger than the sum of its proper divisors (54143454335).

225530453425 is a wasteful number, since it uses less digits than its factorization.

225530453425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520832 (or 520827 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 40.

Adding to 225530453425 its reverse (524354035522), we get a palindrome (749884488947).

The spelling of 225530453425 in words is "two hundred twenty-five billion, five hundred thirty million, four hundred fifty-three thousand, four hundred twenty-five".