2516313 has 4 divisors (see below), whose sum is σ = 3355088. Its totient is φ = 1677540.

The previous prime is 2516309. The next prime is 2516351. The reversal of 2516313 is 3136152.

2516313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 2516313 - 2² = 2516309 is a prime.

It is a super-2 number, since 2×2516313² = 12663662227938, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

2516313 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2516313.

It is not an unprimeable number, because it can be changed into a prime (2516413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419383 + ... + 419388.

It is an arithmetic number, because the mean of its divisors is an integer number (838772).

2^2516313 is an apocalyptic number.

It is an amenable number.

2516313 is a deficient number, since it is larger than the sum of its proper divisors (838775).

2516313 is an equidigital number, since it uses as much as digits as its factorization.

2516313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838774.

The product of its digits is 540, while the sum is 21.

The square root of 2516313 is about 1586.2890657128. The cubic root of 2516313 is about 136.0154430272.

The spelling of 2516313 in words is "two million, five hundred sixteen thousand, three hundred thirteen".