512687 has 6 divisors (see below), whose sum is σ = 596448. Its totient is φ = 439404.

The previous prime is 512683. The next prime is 512711. The reversal of 512687 is 786215.

It is not a de Polignac number, because 512687 - 2² = 512683 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5183 + ... + 5280.

It is an arithmetic number, because the mean of its divisors is an integer number (99408).

2⁵¹²⁶⁸⁷ is an apocalyptic number.

512687 is a deficient number, since it is larger than the sum of its proper divisors (83761).

512687 is a wasteful number, since it uses less digits than its factorization.

512687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10477 (or 10470 counting only the distinct ones).

The product of its digits is 3360, while the sum is 29.

The square root of 512687 is about 716.0216477174. The cubic root of 512687 is about 80.0357652582.

The spelling of 512687 in words is "five hundred twelve thousand, six hundred eighty-seven".