2560504313 has 4 divisors (see below), whose sum is σ = 2592915840. Its totient is φ = 2528092788.

The previous prime is 2560504307. The next prime is 2560504339. The reversal of 2560504313 is 3134050652.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2560504313 - 2⁸ = 2560504057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2560504343) 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, 16205645 + ... + 16205802.

It is an arithmetic number, because the mean of its divisors is an integer number (648228960).

Almost surely, 2^2560504313 is an apocalyptic number.

It is an amenable number.

2560504313 is a deficient number, since it is larger than the sum of its proper divisors (32411527).

2560504313 is an equidigital number, since it uses as much as digits as its factorization.

2560504313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32411526.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 2560504313 is about 50601.4259976930. The cubic root of 2560504313 is about 1368.0705809328.

Adding to 2560504313 its reverse (3134050652), we get a palindrome (5694554965).

The spelling of 2560504313 in words is "two billion, five hundred sixty million, five hundred four thousand, three hundred thirteen".