2503656313 has 4 divisors (see below), whose sum is σ = 2514589540. Its totient is φ = 2492723088.

The previous prime is 2503656289. The next prime is 2503656341. The reversal of 2503656313 is 3136563052.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2256915049 + 246741264 = 47507^2 + 15708^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2503656313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2503656373) 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, 5466270 + ... + 5466727.

It is an arithmetic number, because the mean of its divisors is an integer number (628647385).

Almost surely, 2^2503656313 is an apocalyptic number.

It is an amenable number.

2503656313 is a deficient number, since it is larger than the sum of its proper divisors (10933227).

2503656313 is a wasteful number, since it uses less digits than its factorization.

2503656313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10933226.

The product of its (nonzero) digits is 48600, while the sum is 34.

The square root of 2503656313 is about 50036.5497711423. The cubic root of 2503656313 is about 1357.8701366936.

It can be divided in two parts, 250 and 3656313, that added together give a palindrome (3656563).

The spelling of 2503656313 in words is "two billion, five hundred three million, six hundred fifty-six thousand, three hundred thirteen".