520141 has 4 divisors (see below), whose sum is σ = 523612. Its totient is φ = 516672.

The previous prime is 520129. The next prime is 520151. The reversal of 520141 is 141025.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 335241 + 184900 = 579^2 + 430^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-520141 is a prime.

It is a Duffinian number.

520141 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520111) 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, 1500 + ... + 1813.

It is an arithmetic number, because the mean of its divisors is an integer number (130903).

2⁵²⁰¹⁴¹ is an apocalyptic number.

It is an amenable number.

520141 is a deficient number, since it is larger than the sum of its proper divisors (3471).

520141 is a wasteful number, since it uses less digits than its factorization.

520141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3470.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 520141 is about 721.2080143759. The cubic root of 520141 is about 80.4217827500.

Adding to 520141 its reverse (141025), we get a palindrome (661166).

The spelling of 520141 in words is "five hundred twenty thousand, one hundred forty-one".