520041 has 4 divisors (see below), whose sum is σ = 693392. Its totient is φ = 346692.

The previous prime is 520031. The next prime is 520043. The reversal of 520041 is 140025.

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 de Polignac number, because none of the positive numbers 2^k-520041 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 519999 and 520026.

It is not an unprimeable number, because it can be changed into a prime (520043) 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, 86671 + ... + 86676.

It is an arithmetic number, because the mean of its divisors is an integer number (173348).

2⁵²⁰⁰⁴¹ is an apocalyptic number.

It is an amenable number.

520041 is a deficient number, since it is larger than the sum of its proper divisors (173351).

520041 is a wasteful number, since it uses less digits than its factorization.

520041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173350.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 520041 is about 721.1386829175. The cubic root of 520041 is about 80.4166285746.

Adding to 520041 its reverse (140025), we get a palindrome (660066).

The spelling of 520041 in words is "five hundred twenty thousand, forty-one".