520531033 has 8 divisors (see below), whose sum is σ = 575850816. Its totient is φ = 466544400.

The previous prime is 520531027. The next prime is 520531093. The reversal of 520531033 is 330135025.

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 520531033 - 2⁵ = 520531001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 520530995 and 520531013.

It is not an unprimeable number, because it can be changed into a prime (520531093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332466 + ... + 334027.

It is an arithmetic number, because the mean of its divisors is an integer number (71981352).

Almost surely, 2^520531033 is an apocalyptic number.

It is an amenable number.

520531033 is a deficient number, since it is larger than the sum of its proper divisors (55319783).

520531033 is a wasteful number, since it uses less digits than its factorization.

520531033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666575.

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 520531033 is about 22815.1491995998. The cubic root of 520531033 is about 804.4187942384.

Adding to 520531033 its reverse (330135025), we get a palindrome (850666058).

The spelling of 520531033 in words is "five hundred twenty million, five hundred thirty-one thousand, thirty-three".