512406485 has 4 divisors (see below), whose sum is σ = 614887788. Its totient is φ = 409925184.

The previous prime is 512406473. The next prime is 512406509. The reversal of 512406485 is 584604215.

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 401040676 + 111365809 = 20026^2 + 10553^2 .

It is a cyclic number.

It is not a de Polignac number, because 512406485 - 2¹⁴ = 512390101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51240644 + ... + 51240653.

It is an arithmetic number, because the mean of its divisors is an integer number (153721947).

Almost surely, 2^512406485 is an apocalyptic number.

It is an amenable number.

512406485 is a deficient number, since it is larger than the sum of its proper divisors (102481303).

512406485 is a wasteful number, since it uses less digits than its factorization.

512406485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102481302.

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 512406485 is about 22636.3973502852. The cubic root of 512406485 is about 800.2116549353.

The spelling of 512406485 in words is "five hundred twelve million, four hundred six thousand, four hundred eighty-five".