512855067321 has 45 divisors (see below), whose sum is σ = 783226629471. Its totient is φ = 334431183888.

The previous prime is 512855067311. The next prime is 512855067323. The reversal of 512855067321 is 123760558215.

The square root of 512855067321 is 716139.

It is a perfect power (a square), and thus also a powerful number.

512855067321 is a `hidden beast` number, since 5 + 1 + 2 + 8 + 550 + 6 + 73 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 195394941225 + 317460126096 = 442035^2 + 563436^2 .

It is not a de Polignac number, because 512855067321 - 2¹⁷ = 512854936249 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (512855067323) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 302925951 + ... + 302927643.

Almost surely, 2^512855067321 is an apocalyptic number.

512855067321 is the 716139-th square number.

512855067321 is the 358070-th centered octagonal number.

It is an amenable number.

512855067321 is a deficient number, since it is larger than the sum of its proper divisors (270371562150).

512855067321 is an frugal number, since it uses more digits than its factorization.

512855067321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3492 (or 1743 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 45.

The spelling of 512855067321 in words is "five hundred twelve billion, eight hundred fifty-five million, sixty-seven thousand, three hundred twenty-one".