512969216 has 40 divisors (see below), whose sum is σ = 1037371104. Its totient is φ = 253373440.

The previous prime is 512969189. The next prime is 512969227. The reversal of 512969216 is 612969215.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 36461 + ... + 48531.

Almost surely, 2^512969216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 512969216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (518685552).

512969216 is an abundant number, since it is smaller than the sum of its proper divisors (524401888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

512969216 is an equidigital number, since it uses as much as digits as its factorization.

512969216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12172 (or 12156 counting only the distinct ones).

The product of its digits is 58320, while the sum is 41.

The square root of 512969216 is about 22648.8237222157. The cubic root of 512969216 is about 800.5044818058.

Subtracting 512969216 from its reverse (612969215), we obtain a palindrome (99999999).

The spelling of 512969216 in words is "five hundred twelve million, nine hundred sixty-nine thousand, two hundred sixteen".