2513403303 has 16 divisors (see below), whose sum is σ = 3444587520. Its totient is φ = 1628984736.

The previous prime is 2513403271. The next prime is 2513403307. The reversal of 2513403303 is 3033043152.

It is a happy number.

It is not a de Polignac number, because 2513403303 - 2⁵ = 2513403271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2513403307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137826 + ... + 154992.

It is an arithmetic number, because the mean of its divisors is an integer number (215286720).

Almost surely, 2^2513403303 is an apocalyptic number.

2513403303 is a deficient number, since it is larger than the sum of its proper divisors (931184217).

2513403303 is a wasteful number, since it uses less digits than its factorization.

2513403303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18526.

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 2513403303 is about 50133.8538614378. The cubic root of 2513403303 is about 1359.6299640265.

Adding to 2513403303 its reverse (3033043152), we get a palindrome (5546446455).

The spelling of 2513403303 in words is "two billion, five hundred thirteen million, four hundred three thousand, three hundred three".