518318341 has 4 divisors (see below), whose sum is σ = 518424192. Its totient is φ = 518212492.

The previous prime is 518318327. The next prime is 518318377. The reversal of 518318341 is 143813815.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-518318341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 518318297 and 518318306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (518318441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45205 + ... + 55498.

It is an arithmetic number, because the mean of its divisors is an integer number (129606048).

Almost surely, 2^518318341 is an apocalyptic number.

It is an amenable number.

518318341 is a deficient number, since it is larger than the sum of its proper divisors (105851).

518318341 is a wasteful number, since it uses less digits than its factorization.

518318341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105850.

The product of its digits is 11520, while the sum is 34.

The square root of 518318341 is about 22766.6058295917. The cubic root of 518318341 is about 803.2773579259.

The spelling of 518318341 in words is "five hundred eighteen million, three hundred eighteen thousand, three hundred forty-one".