225540003 has 32 divisors (see below), whose sum is σ = 345171456. Its totient is φ = 129765888.

The previous prime is 225539987. The next prime is 225540019. The reversal of 225540003 is 300045522.

It is an interprime number because it is at equal distance from previous prime (225539987) and next prime (225540019).

It is not a de Polignac number, because 225540003 - 2⁴ = 225539987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225540053) 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 31 ways as a sum of consecutive naturals, for example, 107026 + ... + 109112.

It is an arithmetic number, because the mean of its divisors is an integer number (10786608).

Almost surely, 2^225540003 is an apocalyptic number.

225540003 is a deficient number, since it is larger than the sum of its proper divisors (119631453).

225540003 is a wasteful number, since it uses less digits than its factorization.

225540003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2283.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 225540003 is about 15017.9893128208. The cubic root of 225540003 is about 608.7063896731.

Adding to 225540003 its reverse (300045522), we get a palindrome (525585525).

The spelling of 225540003 in words is "two hundred twenty-five million, five hundred forty thousand, three".