520047 has 32 divisors (see below), whose sum is σ = 898560. Its totient is φ = 293760.

The previous prime is 520043. The next prime is 520063. The reversal of 520047 is 740025.

It is a happy number.

It is not a de Polignac number, because 520047 - 2² = 520043 is a prime.

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 in 31 ways as a sum of consecutive naturals, for example, 4998 + ... + 5100.

It is an arithmetic number, because the mean of its divisors is an integer number (28080).

2⁵²⁰⁰⁴⁷ is an apocalyptic number.

520047 is a deficient number, since it is larger than the sum of its proper divisors (378513).

520047 is a wasteful number, since it uses less digits than its factorization.

520047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 520047 is about 721.1428429930. The cubic root of 520047 is about 80.4169378438.

The spelling of 520047 in words is "five hundred twenty thousand, forty-seven".