520331141 has 4 divisors (see below), whose sum is σ = 567633984. Its totient is φ = 473028300.

The previous prime is 520331129. The next prime is 520331143. The reversal of 520331141 is 141133025.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 520331141 - 2¹⁰ = 520330117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520331143) 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, 23651405 + ... + 23651426.

It is an arithmetic number, because the mean of its divisors is an integer number (141908496).

Almost surely, 2^520331141 is an apocalyptic number.

It is an amenable number.

520331141 is a deficient number, since it is larger than the sum of its proper divisors (47302843).

520331141 is a wasteful number, since it uses less digits than its factorization.

520331141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47302842.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 520331141 is about 22810.7680931616. The cubic root of 520331141 is about 804.3158112853.

Adding to 520331141 its reverse (141133025), we get a palindrome (661464166).

The spelling of 520331141 in words is "five hundred twenty million, three hundred thirty-one thousand, one hundred forty-one".