518741473 has 8 divisors (see below), whose sum is σ = 538353000. Its totient is φ = 499244928.

The previous prime is 518741441. The next prime is 518741513. The reversal of 518741473 is 374147815.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 34433424 + 484308049 = 5868^2 + 22007^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 518741473 - 2⁵ = 518741441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (518741423) 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 7 ways as a sum of consecutive naturals, for example, 19498 + ... + 37651.

It is an arithmetic number, because the mean of its divisors is an integer number (67294125).

Almost surely, 2^518741473 is an apocalyptic number.

It is an amenable number.

518741473 is a deficient number, since it is larger than the sum of its proper divisors (19611527).

518741473 is a wasteful number, since it uses less digits than its factorization.

518741473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57491.

The product of its digits is 94080, while the sum is 40.

The square root of 518741473 is about 22775.8967551225. The cubic root of 518741473 is about 803.4958850864.

The spelling of 518741473 in words is "five hundred eighteen million, seven hundred forty-one thousand, four hundred seventy-three".