225403003 has 4 divisors (see below), whose sum is σ = 257603440. Its totient is φ = 193202568.

The previous prime is 225402997. The next prime is 225403027. The reversal of 225403003 is 300304522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 225403003 - 2⁵ = 225402971 is a prime.

It is a super-3 number, since 3×225403003³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225403043) 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 3 ways as a sum of consecutive naturals, for example, 16100208 + ... + 16100221.

It is an arithmetic number, because the mean of its divisors is an integer number (64400860).

Almost surely, 2^225403003 is an apocalyptic number.

225403003 is a deficient number, since it is larger than the sum of its proper divisors (32200437).

225403003 is an equidigital number, since it uses as much as digits as its factorization.

225403003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32200436.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 225403003 is about 15013.4274234766. The cubic root of 225403003 is about 608.5831156566.

Adding to 225403003 its reverse (300304522), we get a palindrome (525707525).

The spelling of 225403003 in words is "two hundred twenty-five million, four hundred three thousand, three".