512500801 has 4 divisors (see below), whose sum is σ = 526352212. Its totient is φ = 498649392.

The previous prime is 512500799. The next prime is 512500811. The reversal of 512500801 is 108005215.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 214593201 + 297907600 = 14649^2 + 17260^2 .

It is a cyclic number.

It is not a de Polignac number, because 512500801 - 2¹ = 512500799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (512500811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6925650 + ... + 6925723.

It is an arithmetic number, because the mean of its divisors is an integer number (131588053).

Almost surely, 2^512500801 is an apocalyptic number.

It is an amenable number.

512500801 is a deficient number, since it is larger than the sum of its proper divisors (13851411).

512500801 is a wasteful number, since it uses less digits than its factorization.

512500801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13851410.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 512500801 is about 22638.4805364671. The cubic root of 512500801 is about 800.2607488575.

The spelling of 512500801 in words is "five hundred twelve million, five hundred thousand, eight hundred one".