520533041 has 4 divisors (see below), whose sum is σ = 594894912. Its totient is φ = 446171172.

The previous prime is 520533011. The next prime is 520533043. The reversal of 520533041 is 140335025.

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 a de Polignac number, because none of the positive numbers 2^k-520533041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 520532998 and 520533016.

It is not an unprimeable number, because it can be changed into a prime (520533043) 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, 37180925 + ... + 37180938.

It is an arithmetic number, because the mean of its divisors is an integer number (148723728).

Almost surely, 2^520533041 is an apocalyptic number.

It is an amenable number.

520533041 is a deficient number, since it is larger than the sum of its proper divisors (74361871).

520533041 is an equidigital number, since it uses as much as digits as its factorization.

520533041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74361870.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 520533041 is about 22815.1932054059. The cubic root of 520533041 is about 804.4198286121.

Adding to 520533041 its reverse (140335025), we get a palindrome (660868066).

The spelling of 520533041 in words is "five hundred twenty million, five hundred thirty-three thousand, forty-one".