512709216 has 36 divisors (see below), whose sum is σ = 1346444316. Its totient is φ = 170829120.

The previous prime is 512709193. The next prime is 512709221. The reversal of 512709216 is 612907215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 220701 + ... + 223011.

It is an arithmetic number, because the mean of its divisors is an integer number (37401231).

Almost surely, 2^512709216 is an apocalyptic number.

It is an amenable number.

512709216 is an abundant number, since it is smaller than the sum of its proper divisors (833735100).

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

512709216 is an frugal number, since it uses more digits than its factorization.

512709216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4635 (or 2316 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 512709216 is about 22643.0831822877. The cubic root of 512709216 is about 800.3692129094.

The spelling of 512709216 in words is "five hundred twelve million, seven hundred nine thousand, two hundred sixteen".