520351099 has 8 divisors (see below), whose sum is σ = 523402880. Its totient is φ = 517306176.

The previous prime is 520351093. The next prime is 520351123. The reversal of 520351099 is 990153025.

It is a happy number.

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 520351099 - 2¹¹ = 520349051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520351093) 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 7 ways as a sum of consecutive naturals, for example, 248047 + ... + 250135.

It is an arithmetic number, because the mean of its divisors is an integer number (65425360).

Almost surely, 2^520351099 is an apocalyptic number.

520351099 is a deficient number, since it is larger than the sum of its proper divisors (3051781).

520351099 is a wasteful number, since it uses less digits than its factorization.

520351099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3429.

The product of its (nonzero) digits is 12150, while the sum is 34.

The square root of 520351099 is about 22811.2055577955. The cubic root of 520351099 is about 804.3260946917.

The spelling of 520351099 in words is "five hundred twenty million, three hundred fifty-one thousand, ninety-nine".