225325237 has 8 divisors (see below), whose sum is σ = 238224800. Its totient is φ = 212529744.

The previous prime is 225325223. The next prime is 225325241. The reversal of 225325237 is 732523522.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-225325237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225325199 and 225325208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225325297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21543 + ... + 30244.

It is an arithmetic number, because the mean of its divisors is an integer number (29778100).

Almost surely, 2^225325237 is an apocalyptic number.

It is an amenable number.

225325237 is a deficient number, since it is larger than the sum of its proper divisors (12899563).

225325237 is a wasteful number, since it uses less digits than its factorization.

225325237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52035.

The product of its digits is 25200, while the sum is 31.

The square root of 225325237 is about 15010.8373184177. The cubic root of 225325237 is about 608.5131187802.

Adding to 225325237 its reverse (732523522), we get a palindrome (957848759).

The spelling of 225325237 in words is "two hundred twenty-five million, three hundred twenty-five thousand, two hundred thirty-seven".