520412 has 12 divisors (see below), whose sum is σ = 915936. Its totient is φ = 258720.

The previous prime is 520411. The next prime is 520423. The reversal of 520412 is 214025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520411) 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, 893 + ... + 1355.

It is an arithmetic number, because the mean of its divisors is an integer number (76328).

2⁵²⁰⁴¹² is an apocalyptic number.

It is an amenable number.

520412 is a deficient number, since it is larger than the sum of its proper divisors (395524).

520412 is a wasteful number, since it uses less digits than its factorization.

520412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748 (or 746 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 520412 is about 721.3958691315. The cubic root of 520412 is about 80.4357472450.

Adding to 520412 its reverse (214025), we get a palindrome (734437).

The spelling of 520412 in words is "five hundred twenty thousand, four hundred twelve".