512903512 has 80 divisors (see below), whose sum is σ = 1101582000. Its totient is φ = 223608000.

The previous prime is 512903491. The next prime is 512903513. The reversal of 512903512 is 215309215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512903513) by changing a digit.

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 in 19 ways as a sum of consecutive naturals, for example, 3396637 + ... + 3396787.

It is an arithmetic number, because the mean of its divisors is an integer number (13769775).

Almost surely, 2^512903512 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 512903512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (550791000).

512903512 is an abundant number, since it is smaller than the sum of its proper divisors (588678488).

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

512903512 is a wasteful number, since it uses less digits than its factorization.

512903512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 512903512 is about 22647.3731810115. The cubic root of 512903512 is about 800.4703026318.

The spelling of 512903512 in words is "five hundred twelve million, nine hundred three thousand, five hundred twelve".