518735012 has 6 divisors (see below), whose sum is σ = 907786278. Its totient is φ = 259367504.

The previous prime is 518735003. The next prime is 518735029. The reversal of 518735012 is 210537815.

It can be written as a sum of positive squares in only one way, i.e., 498896896 + 19838116 = 22336^2 + 4454^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 518735012.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64841873 + ... + 64841880.

It is an arithmetic number, because the mean of its divisors is an integer number (151297713).

Almost surely, 2^518735012 is an apocalyptic number.

It is an amenable number.

518735012 is a deficient number, since it is larger than the sum of its proper divisors (389051266).

518735012 is a wasteful number, since it uses less digits than its factorization.

518735012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129683757 (or 129683755 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 518735012 is about 22775.7549161383. The cubic root of 518735012 is about 803.4925491868.

The spelling of 518735012 in words is "five hundred eighteen million, seven hundred thirty-five thousand, twelve".