520052 has 24 divisors (see below), whose sum is σ = 1000776. Its totient is φ = 235008.

The previous prime is 520043. The next prime is 520063. The reversal of 520052 is 250025.

It can be written as a sum of positive squares in 4 ways, for example, as 38416 + 481636 = 196^2 + 694^2 .

It is a congruent number.

It is an unprimeable number.

520052 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3728 + ... + 3864.

It is an arithmetic number, because the mean of its divisors is an integer number (41699).

2⁵²⁰⁰⁵² is an apocalyptic number.

520052 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

520052 is a deficient number, since it is larger than the sum of its proper divisors (480724).

520052 is a wasteful number, since it uses less digits than its factorization.

520052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 14.

The square root of 520052 is about 721.1463097042. The cubic root of 520052 is about 80.4171955663.

Adding to 520052 its reverse (250025), we get a palindrome (770077).

It can be divided in two parts, 5200 and 52, that multiplied together give a square (270400 = 520²).

The spelling of 520052 in words is "five hundred twenty thousand, fifty-two".