518288493 has 8 divisors (see below), whose sum is σ = 714880800. Its totient is φ = 333610928.

The previous prime is 518288471. The next prime is 518288497. The reversal of 518288493 is 394882815.

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 518288493 - 2⁹ = 518287981 is a prime.

It is a super-2 number, since 2×518288493² = 537245923952422098, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (518288497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2978583 + ... + 2978756.

It is an arithmetic number, because the mean of its divisors is an integer number (89360100).

Almost surely, 2^518288493 is an apocalyptic number.

It is an amenable number.

518288493 is a deficient number, since it is larger than the sum of its proper divisors (196592307).

518288493 is a wasteful number, since it uses less digits than its factorization.

518288493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5957371.

The product of its digits is 552960, while the sum is 48.

The square root of 518288493 is about 22765.9502986368. The cubic root of 518288493 is about 803.2619383913.

The spelling of 518288493 in words is "five hundred eighteen million, two hundred eighty-eight thousand, four hundred ninety-three".