225648503 has 8 divisors (see below), whose sum is σ = 237801600. Its totient is φ = 213523128.

The previous prime is 225648499. The next prime is 225648517. The reversal of 225648503 is 305846522.

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 225648503 - 2² = 225648499 is a prime.

It is a super-2 number, since 2×225648503² = 101834493812282018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225648523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11000 + ... + 23922.

It is an arithmetic number, because the mean of its divisors is an integer number (29725200).

Almost surely, 2^225648503 is an apocalyptic number.

225648503 is a deficient number, since it is larger than the sum of its proper divisors (12153097).

225648503 is a wasteful number, since it uses less digits than its factorization.

225648503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13861.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 225648503 is about 15021.6012129200. The cubic root of 225648503 is about 608.8039836765.

The spelling of 225648503 in words is "two hundred twenty-five million, six hundred forty-eight thousand, five hundred three".