520541331 has 16 divisors (see below), whose sum is σ = 703440000. Its totient is φ = 342353088.

The previous prime is 520541327. The next prime is 520541341. The reversal of 520541331 is 133145025.

It is not a de Polignac number, because 520541331 - 2² = 520541327 is a prime.

It is a super-2 number, since 2×520541331² = 541926554558503122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (520541341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131280 + ... + 135186.

It is an arithmetic number, because the mean of its divisors is an integer number (43965000).

Almost surely, 2^520541331 is an apocalyptic number.

520541331 is a deficient number, since it is larger than the sum of its proper divisors (182898669).

520541331 is a wasteful number, since it uses less digits than its factorization.

520541331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4498.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 520541331 is about 22815.3748818642. The cubic root of 520541331 is about 804.4240989814.

Adding to 520541331 its reverse (133145025), we get a palindrome (653686356).

The spelling of 520541331 in words is "five hundred twenty million, five hundred forty-one thousand, three hundred thirty-one".