518321714 has 4 divisors (see below), whose sum is σ = 777482574. Its totient is φ = 259160856.

The previous prime is 518321707. The next prime is 518321717. The reversal of 518321714 is 417123815.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 427786489 + 90535225 = 20683^2 + 9515^2 .

It is not an unprimeable number, because it can be changed into a prime (518321717) 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 as a sum of consecutive naturals, namely, 129580427 + ... + 129580430.

Almost surely, 2^518321714 is an apocalyptic number.

518321714 is a deficient number, since it is larger than the sum of its proper divisors (259160860).

518321714 is a wasteful number, since it uses less digits than its factorization.

518321714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259160859.

The product of its digits is 6720, while the sum is 32.

The square root of 518321714 is about 22766.6799072680. The cubic root of 518321714 is about 803.2791003870.

The spelling of 518321714 in words is "five hundred eighteen million, three hundred twenty-one thousand, seven hundred fourteen".