512520 has 32 divisors (see below), whose sum is σ = 1537920. Its totient is φ = 136640.

The previous prime is 512507. The next prime is 512521. The reversal of 512520 is 25215.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 512520.

It is not an unprimeable number, because it can be changed into a prime (512521) by changing a digit.

512520 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, 2016 + ... + 2255.

It is an arithmetic number, because the mean of its divisors is an integer number (48060).

2⁵¹²⁵²⁰ is an apocalyptic number.

It is an amenable number.

512520 is an abundant number, since it is smaller than the sum of its proper divisors (1025400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

512520 is a wasteful number, since it uses less digits than its factorization.

512520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4285 (or 4281 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 512520 is about 715.9050216335. The cubic root of 512520 is about 80.0270741697.

Adding to 512520 its reverse (25215), we get a palindrome (537735).

The spelling of 512520 in words is "five hundred twelve thousand, five hundred twenty".