520096091 has 4 divisors (see below), whose sum is σ = 520262472. Its totient is φ = 519929712.

The previous prime is 520096081. The next prime is 520096097. The reversal of 520096091 is 190690025.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-520096091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520096097) 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, 78410 + ... + 84783.

It is an arithmetic number, because the mean of its divisors is an integer number (130065618).

Almost surely, 2^520096091 is an apocalyptic number.

520096091 is a deficient number, since it is larger than the sum of its proper divisors (166381).

520096091 is a wasteful number, since it uses less digits than its factorization.

520096091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166380.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 520096091 is about 22805.6153392098. The cubic root of 520096091 is about 804.1946814310.

The spelling of 520096091 in words is "five hundred twenty million, ninety-six thousand, ninety-one".