518814241 has 6 divisors (see below), whose sum is σ = 570267026. Its totient is φ = 471649200.

The previous prime is 518814229. The next prime is 518814271. The reversal of 518814241 is 142418815.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 513974241 + 4840000 = 22671^2 + 2200^2 .

It is not a de Polignac number, because 518814241 - 2²⁵ = 485259809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 518814197 and 518814206.

It is not an unprimeable number, because it can be changed into a prime (518814271) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2143740 + ... + 2143981.

Almost surely, 2^518814241 is an apocalyptic number.

It is an amenable number.

518814241 is a deficient number, since it is larger than the sum of its proper divisors (51452785).

518814241 is a wasteful number, since it uses less digits than its factorization.

518814241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4287743 (or 4287732 counting only the distinct ones).

The product of its digits is 10240, while the sum is 34.

The square root of 518814241 is about 22777.4941773673. The cubic root of 518814241 is about 803.5334542533.

The spelling of 518814241 in words is "five hundred eighteen million, eight hundred fourteen thousand, two hundred forty-one".