512745712 has 20 divisors (see below), whose sum is σ = 1002732696. Its totient is φ = 253976000.

The previous prime is 512745683. The next prime is 512745719. The reversal of 512745712 is 217547215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512745719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148039 + ... + 151462.

Almost surely, 2^512745712 is an apocalyptic number.

It is an amenable number.

512745712 is a deficient number, since it is larger than the sum of its proper divisors (489986984).

512745712 is a wasteful number, since it uses less digits than its factorization.

512745712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299616 (or 299610 counting only the distinct ones).

The product of its digits is 19600, while the sum is 34.

The square root of 512745712 is about 22643.8890652644. The cubic root of 512745712 is about 800.3882032590.

The spelling of 512745712 in words is "five hundred twelve million, seven hundred forty-five thousand, seven hundred twelve".