512500000 has 108 divisors (see below), whose sum is σ = 1291991526. Its totient is φ = 200000000.

The previous prime is 512499997. The next prime is 512500013. The reversal of 512500000 is 5215.

512500000 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 9 ways, for example, as 412739856 + 99760144 = 20316^2 + 9988^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12499980 + ... + 12500020.

Almost surely, 2^512500000 is an apocalyptic number.

512500000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 512500000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (645995763).

512500000 is an abundant number, since it is smaller than the sum of its proper divisors (779491526).

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

512500000 is an frugal number, since it uses more digits than its factorization.

512500000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 48 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 13.

The square root of 512500000 is about 22638.4628453435. The cubic root of 512500000 is about 800.2603319416.

Adding to 512500000 its reverse (5215), we get a palindrome (512505215).

It can be divided in two parts, 512 and 500000, that multiplied together give a square (256000000 = 16000²).

The spelling of 512500000 in words is "five hundred twelve million, five hundred thousand".