2516406313 has 4 divisors (see below), whose sum is σ = 2516763348. Its totient is φ = 2516049280.

The previous prime is 2516406281. The next prime is 2516406323. The reversal of 2516406313 is 3136046152.

2516406313 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.

It can be written as a sum of positive squares in 2 ways, for example, as 414000409 + 2102405904 = 20347^2 + 45852^2 .

It is a cyclic number.

It is not a de Polignac number, because 2516406313 - 2⁵ = 2516406281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2516406323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167728 + ... + 182113.

It is an arithmetic number, because the mean of its divisors is an integer number (629190837).

Almost surely, 2^2516406313 is an apocalyptic number.

It is an amenable number.

2516406313 is a deficient number, since it is larger than the sum of its proper divisors (357035).

2516406313 is an equidigital number, since it uses as much as digits as its factorization.

2516406313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357034.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 2516406313 is about 50163.7948424957. The cubic root of 2516406313 is about 1360.1712430350.

The spelling of 2516406313 in words is "two billion, five hundred sixteen million, four hundred six thousand, three hundred thirteen".