518797043 has 4 divisors (see below), whose sum is σ = 519053520. Its totient is φ = 518540568.

The previous prime is 518796959. The next prime is 518797079. The reversal of 518797043 is 340797815.

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

It is a cyclic number.

It is not a de Polignac number, because 518797043 - 2¹⁸ = 518534899 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 518796985 and 518797003.

It is not an unprimeable number, because it can be changed into a prime (518797343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125180 + ... + 129257.

It is an arithmetic number, because the mean of its divisors is an integer number (129763380).

Almost surely, 2^518797043 is an apocalyptic number.

518797043 is a deficient number, since it is larger than the sum of its proper divisors (256477).

518797043 is a wasteful number, since it uses less digits than its factorization.

518797043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256476.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 518797043 is about 22777.1166524650. The cubic root of 518797043 is about 803.5245754678.

The spelling of 518797043 in words is "five hundred eighteen million, seven hundred ninety-seven thousand, forty-three".