520338351 has 16 divisors (see below), whose sum is σ = 786477440. Its totient is φ = 303354720.

The previous prime is 520338341. The next prime is 520338353. The reversal of 520338351 is 153833025.

It is not a de Polignac number, because 520338351 - 2¹⁷ = 520207279 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520338353) 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 15 ways as a sum of consecutive naturals, for example, 350365 + ... + 351846.

It is an arithmetic number, because the mean of its divisors is an integer number (49154840).

Almost surely, 2^520338351 is an apocalyptic number.

520338351 is a deficient number, since it is larger than the sum of its proper divisors (266139089).

520338351 is a wasteful number, since it uses less digits than its factorization.

520338351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702246.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 520338351 is about 22810.9261320096. The cubic root of 520338351 is about 804.3195262851.

The spelling of 520338351 in words is "five hundred twenty million, three hundred thirty-eight thousand, three hundred fifty-one".