5206640513 has 8 divisors (see below), whose sum is σ = 5246834496. Its totient is φ = 5166522000.

The previous prime is 5206640503. The next prime is 5206640521. The reversal of 5206640513 is 3150466025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5206640513 - 2⁶ = 5206640449 is a prime.

It is a super-2 number, since 2×5206640513² = 54218210863225806338, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5206640513.

It is not an unprimeable number, because it can be changed into a prime (5206640503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123770 + ... + 160412.

It is an arithmetic number, because the mean of its divisors is an integer number (655854312).

Almost surely, 2^5206640513 is an apocalyptic number.

It is an amenable number.

5206640513 is a deficient number, since it is larger than the sum of its proper divisors (40193983).

5206640513 is a wasteful number, since it uses less digits than its factorization.

5206640513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37735.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 5206640513 is about 72157.0544922671. The cubic root of 5206640513 is about 1733.2153677566.

The spelling of 5206640513 in words is "five billion, two hundred six million, six hundred forty thousand, five hundred thirteen".