512855 has 8 divisors (see below), whose sum is σ = 703392. Its totient is φ = 351648.

The previous prime is 512849. The next prime is 512891. The reversal of 512855 is 558215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 512855 - 2¹⁰ = 511831 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7292 + ... + 7361.

It is an arithmetic number, because the mean of its divisors is an integer number (87924).

2⁵¹²⁸⁵⁵ is an apocalyptic number.

512855 is a deficient number, since it is larger than the sum of its proper divisors (190537).

512855 is a wasteful number, since it uses less digits than its factorization.

512855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14665.

The product of its digits is 2000, while the sum is 26.

The square root of 512855 is about 716.1389529973. The cubic root of 512855 is about 80.0445064851.

The spelling of 512855 in words is "five hundred twelve thousand, eight hundred fifty-five".