2505403303 has 8 divisors (see below), whose sum is σ = 2698768800. Its totient is φ = 2312129568.

The previous prime is 2505403253. The next prime is 2505403319. The reversal of 2505403303 is 3033045052.

It is a happy number.

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 2505403303 - 2⁹ = 2505402791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505403603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40233 + ... + 81421.

It is an arithmetic number, because the mean of its divisors is an integer number (337346100).

Almost surely, 2^2505403303 is an apocalyptic number.

2505403303 is a deficient number, since it is larger than the sum of its proper divisors (193365497).

2505403303 is a wasteful number, since it uses less digits than its factorization.

2505403303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45881.

The product of its (nonzero) digits is 5400, while the sum is 25.

The square root of 2505403303 is about 50054.0038658248. The cubic root of 2505403303 is about 1358.1858927608.

Adding to 2505403303 its reverse (3033045052), we get a palindrome (5538448355).

The spelling of 2505403303 in words is "two billion, five hundred five million, four hundred three thousand, three hundred three".