512320043 has 16 divisors (see below), whose sum is σ = 536819712. Its totient is φ = 488376000.

The previous prime is 512320033. The next prime is 512320063. The reversal of 512320043 is 340023215.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 512320043 - 2¹⁰ = 512319019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 512319997 and 512320024.

It is not an unprimeable number, because it can be changed into a prime (512320033) 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, 896948 + ... + 897518.

It is an arithmetic number, because the mean of its divisors is an integer number (33551232).

Almost surely, 2^512320043 is an apocalyptic number.

512320043 is a deficient number, since it is larger than the sum of its proper divisors (24499669).

512320043 is a wasteful number, since it uses less digits than its factorization.

512320043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 512320043 is about 22634.4879111501. The cubic root of 512320043 is about 800.1666543430.

Adding to 512320043 its reverse (340023215), we get a palindrome (852343258).

The spelling of 512320043 in words is "five hundred twelve million, three hundred twenty thousand, forty-three".