512872 has 8 divisors (see below), whose sum is σ = 961650. Its totient is φ = 256432.

The previous prime is 512849. The next prime is 512891. The reversal of 512872 is 278215.

It can be written as a sum of positive squares in only one way, i.e., 276676 + 236196 = 526^2 + 486^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

512872 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32047 + ... + 32062.

2⁵¹²⁸⁷² is an apocalyptic number.

It is an amenable number.

512872 is a deficient number, since it is larger than the sum of its proper divisors (448778).

512872 is a wasteful number, since it uses less digits than its factorization.

512872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64115 (or 64111 counting only the distinct ones).

The product of its digits is 1120, while the sum is 25.

The square root of 512872 is about 716.1508221038. The cubic root of 512872 is about 80.0453909076.

The spelling of 512872 in words is "five hundred twelve thousand, eight hundred seventy-two".