512489 has 4 divisors (see below), whose sum is σ = 513924. Its totient is φ = 511056.

The previous prime is 512467. The next prime is 512497. The reversal of 512489 is 984215.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 444889 + 67600 = 667^2 + 260^2 .

It is a cyclic number.

It is not a de Polignac number, because 512489 - 2¹² = 508393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (512419) 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, 299 + ... + 1055.

It is an arithmetic number, because the mean of its divisors is an integer number (128481).

512489 is a Friedman number, since it can be written as 94^2*58+1, using all its digits and the basic arithmetic operations.

2⁵¹²⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

512489 is a deficient number, since it is larger than the sum of its proper divisors (1435).

512489 is an equidigital number, since it uses as much as digits as its factorization.

512489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434.

The product of its digits is 2880, while the sum is 29.

The square root of 512489 is about 715.8833703893. The cubic root of 512489 is about 80.0254606461.

It can be divided in two parts, 512 and 489, that added together give a palindrome (1001).

The spelling of 512489 in words is "five hundred twelve thousand, four hundred eighty-nine".