512442805 has 16 divisors (see below), whose sum is σ = 719921664. Its totient is φ = 342817920.

The previous prime is 512442797. The next prime is 512442809. The reversal of 512442805 is 508244215.

It is not a de Polignac number, because 512442805 - 2³ = 512442797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512442809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177117 + ... + 179986.

It is an arithmetic number, because the mean of its divisors is an integer number (44995104).

Almost surely, 2^512442805 is an apocalyptic number.

It is an amenable number.

512442805 is a deficient number, since it is larger than the sum of its proper divisors (207478859).

512442805 is a wasteful number, since it uses less digits than its factorization.

512442805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357156.

The product of its (nonzero) digits is 12800, while the sum is 31.

The square root of 512442805 is about 22637.1995838708. The cubic root of 512442805 is about 800.2305611497.

The spelling of 512442805 in words is "five hundred twelve million, four hundred forty-two thousand, eight hundred five".