2513323403 has 12 divisors (see below), whose sum is σ = 2562150240. Its totient is φ = 2465405280.

The previous prime is 2513323399. The next prime is 2513323433. The reversal of 2513323403 is 3043233152.

It is a happy number.

2513323403 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 2513323403 - 2² = 2513323399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2513323433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1893326 + ... + 1894652.

It is an arithmetic number, because the mean of its divisors is an integer number (213512520).

Almost surely, 2^2513323403 is an apocalyptic number.

2513323403 is a deficient number, since it is larger than the sum of its proper divisors (48826837).

2513323403 is an equidigital number, since it uses as much as digits as its factorization.

2513323403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1958 (or 1897 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 26.

The square root of 2513323403 is about 50133.0569883784. The cubic root of 2513323403 is about 1359.6155565250.

Adding to 2513323403 its reverse (3043233152), we get a palindrome (5556556555).

The spelling of 2513323403 in words is "two billion, five hundred thirteen million, three hundred twenty-three thousand, four hundred three".