512873 has 4 divisors (see below), whose sum is σ = 543060. Its totient is φ = 482688.

The previous prime is 512849. The next prime is 512891. The reversal of 512873 is 378215.

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

It can be written as a sum of positive squares in 2 ways, for example, as 350464 + 162409 = 592^2 + 403^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-512873 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (512803) 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, 15068 + ... + 15101.

It is an arithmetic number, because the mean of its divisors is an integer number (135765).

2⁵¹²⁸⁷³ is an apocalyptic number.

It is an amenable number.

512873 is a deficient number, since it is larger than the sum of its proper divisors (30187).

512873 is a wasteful number, since it uses less digits than its factorization.

512873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30186.

The product of its digits is 1680, while the sum is 26.

The square root of 512873 is about 716.1515202805. The cubic root of 512873 is about 80.0454429319.

The spelling of 512873 in words is "five hundred twelve thousand, eight hundred seventy-three".