512461456 has 20 divisors (see below), whose sum is σ = 1069270972. Its totient is φ = 236520576.

The previous prime is 512461451. The next prime is 512461463. The reversal of 512461456 is 654164215.

It can be written as a sum of positive squares in 2 ways, for example, as 284934400 + 227527056 = 16880^2 + 15084^2 .

It is not an unprimeable number, because it can be changed into a prime (512461451) 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, 1231671 + ... + 1232086.

Almost surely, 2^512461456 is an apocalyptic number.

It is an amenable number.

512461456 is an abundant number, since it is smaller than the sum of its proper divisors (556809516).

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

512461456 is a wasteful number, since it uses less digits than its factorization.

512461456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2463778 (or 2463772 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 512461456 is about 22637.6115347887. The cubic root of 512461456 is about 800.2402694977.

The spelling of 512461456 in words is "five hundred twelve million, four hundred sixty-one thousand, four hundred fifty-six".