6251052613 has 12 divisors (see below), whose sum is σ = 6775198020. Its totient is φ = 5764826496.

The previous prime is 6251052571. The next prime is 6251052637. The reversal of 6251052613 is 3162501526.

It can be written as a sum of positive squares in 6 ways, for example, as 4152771364 + 2098281249 = 64442^2 + 45807^2 .

It is not a de Polignac number, because 6251052613 - 2¹³ = 6251044421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6251002613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170745 + ... + 204097.

It is an arithmetic number, because the mean of its divisors is an integer number (564599835).

Almost surely, 2^6251052613 is an apocalyptic number.

It is an amenable number.

6251052613 is a deficient number, since it is larger than the sum of its proper divisors (524145407).

6251052613 is a wasteful number, since it uses less digits than its factorization.

6251052613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34488 (or 34475 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 6251052613 is about 79063.5985330797. The cubic root of 6251052613 is about 1842.1191531007.

The spelling of 6251052613 in words is "six billion, two hundred fifty-one million, fifty-two thousand, six hundred thirteen".