225615503 has 8 divisors (see below), whose sum is σ = 228898560. Its totient is φ = 222354720.

The previous prime is 225615499. The next prime is 225615521. The reversal of 225615503 is 305516522.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 225615503 - 2² = 225615499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225615703) 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 7 ways as a sum of consecutive naturals, for example, 15401 + ... + 26237.

It is an arithmetic number, because the mean of its divisors is an integer number (28612320).

Almost surely, 2^225615503 is an apocalyptic number.

225615503 is a deficient number, since it is larger than the sum of its proper divisors (3283057).

225615503 is a wasteful number, since it uses less digits than its factorization.

225615503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11137.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 225615503 is about 15020.5027545685. The cubic root of 225615503 is about 608.7743040189.

The spelling of 225615503 in words is "two hundred twenty-five million, six hundred fifteen thousand, five hundred three".