225002403 has 6 divisors (see below), whose sum is σ = 325003484. Its totient is φ = 150001596.

The previous prime is 225002381. The next prime is 225002411. The reversal of 225002403 is 304200522.

225002403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 225002403 - 2⁶ = 225002339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225002443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12500125 + ... + 12500142.

Almost surely, 2^225002403 is an apocalyptic number.

225002403 is a deficient number, since it is larger than the sum of its proper divisors (100001081).

225002403 is a wasteful number, since it uses less digits than its factorization.

225002403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25000273 (or 25000270 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 225002403 is about 15000.0800997861. The cubic root of 225002403 is about 608.2223648135. Note that the first 3 decimals are identical.

Adding to 225002403 its reverse (304200522), we get a palindrome (529202925).

The spelling of 225002403 in words is "two hundred twenty-five million, two thousand, four hundred three".