519608113 has 4 divisors (see below), whose sum is σ = 520049268. Its totient is φ = 519166960.

The previous prime is 519608041. The next prime is 519608149. The reversal of 519608113 is 311806915.

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 357096609 + 162511504 = 18897^2 + 12748^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-519608113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (519608153) 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, 218806 + ... + 221167.

It is an arithmetic number, because the mean of its divisors is an integer number (130012317).

Almost surely, 2^519608113 is an apocalyptic number.

It is an amenable number.

519608113 is a deficient number, since it is larger than the sum of its proper divisors (441155).

519608113 is a wasteful number, since it uses less digits than its factorization.

519608113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441154.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 519608113 is about 22794.9141915472. The cubic root of 519608113 is about 803.9430919557.

The spelling of 519608113 in words is "five hundred nineteen million, six hundred eight thousand, one hundred thirteen".