225434125 has 16 divisors (see below), whose sum is σ = 321534720. Its totient is φ = 154582800.

The previous prime is 225434123. The next prime is 225434141. The reversal of 225434125 is 521434522.

It is not a de Polignac number, because 225434125 - 2¹ = 225434123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225434093 and 225434102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225434123) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 127945 + ... + 129694.

It is an arithmetic number, because the mean of its divisors is an integer number (20095920).

Almost surely, 2^225434125 is an apocalyptic number.

225434125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

225434125 is a deficient number, since it is larger than the sum of its proper divisors (96100595).

225434125 is an equidigital number, since it uses as much as digits as its factorization.

225434125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257661 (or 257651 counting only the distinct ones).

The product of its digits is 9600, while the sum is 28.

The square root of 225434125 is about 15014.4638598919. The cubic root of 225434125 is about 608.6111239378.

Adding to 225434125 its reverse (521434522), we get a palindrome (746868647).

The spelling of 225434125 in words is "two hundred twenty-five million, four hundred thirty-four thousand, one hundred twenty-five".