512852818 has 4 divisors (see below), whose sum is σ = 769279230. Its totient is φ = 256426408.

The previous prime is 512852801. The next prime is 512852831. The reversal of 512852818 is 818258215.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 277322409 + 235530409 = 16653^2 + 15347^2 .

It is a super-2 number, since 2×512852818² = 526036025861082248, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 as a sum of consecutive naturals, namely, 128213203 + ... + 128213206.

Almost surely, 2^512852818 is an apocalyptic number.

512852818 is a deficient number, since it is larger than the sum of its proper divisors (256426412).

512852818 is a wasteful number, since it uses less digits than its factorization.

512852818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256426411.

The product of its digits is 51200, while the sum is 40.

The square root of 512852818 is about 22646.2539507089. The cubic root of 512852818 is about 800.4439296542.

It can be divided in two parts, 512 and 852818, that multiplied together give a square (436642816 = 20896²).

The spelling of 512852818 in words is "five hundred twelve million, eight hundred fifty-two thousand, eight hundred eighteen".