225115025 has 12 divisors (see below), whose sum is σ = 288148224. Its totient is φ = 174282000.

The previous prime is 225114979. The next prime is 225115027. The reversal of 225115025 is 520511522.

It is not a de Polignac number, because 225115025 - 2¹⁴ = 225098641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225115027) 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 11 ways as a sum of consecutive naturals, for example, 144461 + ... + 146010.

It is an arithmetic number, because the mean of its divisors is an integer number (24012352).

Almost surely, 2^225115025 is an apocalyptic number.

225115025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

225115025 is a deficient number, since it is larger than the sum of its proper divisors (63033199).

225115025 is a wasteful number, since it uses less digits than its factorization.

225115025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290512 (or 290507 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 225115025 is about 15003.8336767641. The cubic root of 225115025 is about 608.3238271278.

Adding to 225115025 its reverse (520511522), we get a palindrome (745626547).

The spelling of 225115025 in words is "two hundred twenty-five million, one hundred fifteen thousand, twenty-five".