225541003 has 4 divisors (see below), whose sum is σ = 225936568. Its totient is φ = 225145440.

The previous prime is 225540941. The next prime is 225541009. The reversal of 225541003 is 300145522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300145522 = 2 ⋅150072761.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225541003 is a prime.

It is a super-3 number, since 3×225541003³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225541009) 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, 196926 + ... + 198067.

It is an arithmetic number, because the mean of its divisors is an integer number (56484142).

Almost surely, 2^225541003 is an apocalyptic number.

225541003 is a deficient number, since it is larger than the sum of its proper divisors (395565).

225541003 is an equidigital number, since it uses as much as digits as its factorization.

225541003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395564.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 225541003 is about 15018.0226061889. The cubic root of 225541003 is about 608.7072892999.

Adding to 225541003 its reverse (300145522), we get a palindrome (525686525).

The spelling of 225541003 in words is "two hundred twenty-five million, five hundred forty-one thousand, three".