520791113 has 8 divisors (see below), whose sum is σ = 523958400. Its totient is φ = 517632048.

The previous prime is 520791071. The next prime is 520791127. The reversal of 520791113 is 311197025.

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 520791113 - 2²⁰ = 519742537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520791163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163070 + ... + 166232.

It is an arithmetic number, because the mean of its divisors is an integer number (65494800).

Almost surely, 2^520791113 is an apocalyptic number.

It is an amenable number.

520791113 is a deficient number, since it is larger than the sum of its proper divisors (3167287).

520791113 is a wasteful number, since it uses less digits than its factorization.

520791113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4111.

The product of its (nonzero) digits is 1890, while the sum is 29.

The square root of 520791113 is about 22820.8482094772. The cubic root of 520791113 is about 804.5527461659.

The spelling of 520791113 in words is "five hundred twenty million, seven hundred ninety-one thousand, one hundred thirteen".