520046 has 4 divisors (see below), whose sum is σ = 780072. Its totient is φ = 260022.

The previous prime is 520043. The next prime is 520063. The reversal of 520046 is 640025.

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

It is a Curzon number.

It is a nialpdrome in base 14.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 130010 + ... + 130013.

It is an arithmetic number, because the mean of its divisors is an integer number (195018).

2⁵²⁰⁰⁴⁶ is an apocalyptic number.

520046 is a deficient number, since it is larger than the sum of its proper divisors (260026).

520046 is a wasteful number, since it uses less digits than its factorization.

520046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260025.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 520046 is about 721.1421496487. The cubic root of 520046 is about 80.4168862991.

The spelling of 520046 in words is "five hundred twenty thousand, forty-six".