225405325 has 12 divisors (see below), whose sum is σ = 280740960. Its totient is φ = 179525360.

The previous prime is 225405317. The next prime is 225405337. The reversal of 225405325 is 523504522.

It is not a de Polignac number, because 225405325 - 2³ = 225405317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225405293 and 225405302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14185 + ... + 25534.

It is an arithmetic number, because the mean of its divisors is an integer number (23395080).

Almost surely, 2^225405325 is an apocalyptic number.

225405325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

225405325 is a deficient number, since it is larger than the sum of its proper divisors (55335635).

225405325 is a wasteful number, since it uses less digits than its factorization.

225405325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39956 (or 39951 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 225405325 is about 15013.5047540539. The cubic root of 225405325 is about 608.5852054322.

Adding to 225405325 its reverse (523504522), we get a palindrome (748909847).

The spelling of 225405325 in words is "two hundred twenty-five million, four hundred five thousand, three hundred twenty-five".