520034 has 4 divisors (see below), whose sum is σ = 780054. Its totient is φ = 260016.

The previous prime is 520031. The next prime is 520043. The reversal of 520034 is 430025.

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

It can be written as a sum of positive squares in only one way, i.e., 485809 + 34225 = 697^2 + 185^2 .

It is a super-2 number, since 2×520034² = 540870722312, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130007 + ... + 130010.

2⁵²⁰⁰³⁴ is an apocalyptic number.

520034 is a deficient number, since it is larger than the sum of its proper divisors (260020).

520034 is a wasteful number, since it uses less digits than its factorization.

520034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260019.

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 520034 is about 721.1338294658. The cubic root of 520034 is about 80.4162677576.

Adding to 520034 its reverse (430025), we get a palindrome (950059).

Subtracting from 520034 its reverse (430025), we obtain a palindrome (90009).

The spelling of 520034 in words is "five hundred twenty thousand, thirty-four".