518084047 has 8 divisors (see below), whose sum is σ = 560014560. Its totient is φ = 476450400.

The previous prime is 518084033. The next prime is 518084069. The reversal of 518084047 is 740480815.

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 518084047 - 2¹⁵ = 518051279 is a prime.

It is a super-2 number, since 2×518084047² = 536822159511796418, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 518083997 and 518084015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (518084087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70579 + ... + 77572.

It is an arithmetic number, because the mean of its divisors is an integer number (70001820).

Almost surely, 2^518084047 is an apocalyptic number.

518084047 is a deficient number, since it is larger than the sum of its proper divisors (41930513).

518084047 is a wasteful number, since it uses less digits than its factorization.

518084047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148433.

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 518084047 is about 22761.4596851784. The cubic root of 518084047 is about 803.1563052734.

It can be divided in two parts, 51808 and 4047, that added together give a palindrome (55855).

The spelling of 518084047 in words is "five hundred eighteen million, eighty-four thousand, forty-seven".