225003 has 8 divisors (see below), whose sum is σ = 302400. Its totient is φ = 148808.

The previous prime is 224993. The next prime is 225023. The reversal of 225003 is 300522.

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 225003 - 2⁹ = 224491 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 225003.

It is not an unprimeable number, because it can be changed into a prime (225023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328 + ... + 746.

It is an arithmetic number, because the mean of its divisors is an integer number (37800).

2²²⁵⁰⁰³ is an apocalyptic number.

225003 is a deficient number, since it is larger than the sum of its proper divisors (77397).

225003 is a wasteful number, since it uses less digits than its factorization.

225003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601.

The product of its (nonzero) digits is 60, while the sum is 12.

The square root of 225003 is about 474.3448112924. The cubic root of 225003 is about 60.8222902746.

Adding to 225003 its reverse (300522), we get a palindrome (525525).

The spelling of 225003 in words is "two hundred twenty-five thousand, three".