512285 has 8 divisors (see below), whose sum is σ = 636120. Its totient is φ = 395584.

The previous prime is 512269. The next prime is 512287. The reversal of 512285 is 582215.

It can be written as a sum of positive squares in 4 ways, for example, as 120409 + 391876 = 347^2 + 626^2 .

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 512285 - 2⁴ = 512269 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 512285.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512287) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1622 + ... + 1911.

It is an arithmetic number, because the mean of its divisors is an integer number (79515).

2⁵¹²²⁸⁵ is an apocalyptic number.

It is an amenable number.

512285 is a deficient number, since it is larger than the sum of its proper divisors (123835).

512285 is a wasteful number, since it uses less digits than its factorization.

512285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3567.

The product of its digits is 800, while the sum is 23.

The square root of 512285 is about 715.7408748982. The cubic root of 512285 is about 80.0148409966.

It can be divided in two parts, 512 and 285, that added together give a palindrome (797).

The spelling of 512285 in words is "five hundred twelve thousand, two hundred eighty-five".