512888648 has 16 divisors (see below), whose sum is σ = 961915500. Its totient is φ = 256377856.

The previous prime is 512888647. The next prime is 512888653. The reversal of 512888648 is 846888215.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 512660164 + 228484 = 22642^2 + 478^2 .

It is a junction number, because it is equal to n+sod(n) for n = 512888596 and 512888605.

It is not an unprimeable number, because it can be changed into a prime (512888647) 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 3 ways as a sum of consecutive naturals, for example, 43448 + ... + 53976.

Almost surely, 2^512888648 is an apocalyptic number.

It is an amenable number.

512888648 is a deficient number, since it is larger than the sum of its proper divisors (449026852).

512888648 is a wasteful number, since it uses less digits than its factorization.

512888648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16624 (or 16620 counting only the distinct ones).

The product of its digits is 983040, while the sum is 50.

The square root of 512888648 is about 22647.0450169553. The cubic root of 512888648 is about 800.4625699847.

The spelling of 512888648 in words is "five hundred twelve million, eight hundred eighty-eight thousand, six hundred forty-eight".