512485 has 4 divisors (see below), whose sum is σ = 614988. Its totient is φ = 409984.

The previous prime is 512467. The next prime is 512497. The reversal of 512485 is 584215.

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 298116 + 214369 = 546^2 + 463^2 .

It is a cyclic number.

It is not a de Polignac number, because 512485 - 2¹⁷ = 381413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51244 + ... + 51253.

It is an arithmetic number, because the mean of its divisors is an integer number (153747).

2⁵¹²⁴⁸⁵ is an apocalyptic number.

It is an amenable number.

512485 is a deficient number, since it is larger than the sum of its proper divisors (102503).

512485 is a wasteful number, since it uses less digits than its factorization.

512485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102502.

The product of its digits is 1600, while the sum is 25.

The square root of 512485 is about 715.8805766327. The cubic root of 512485 is about 80.0252524448.

The spelling of 512485 in words is "five hundred twelve thousand, four hundred eighty-five".