518581012 has 24 divisors (see below), whose sum is σ = 927976896. Its totient is φ = 253509888.

The previous prime is 518581009. The next prime is 518581013. The reversal of 518581012 is 210185815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (518581013) 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, 24153 + ... + 40255.

It is an arithmetic number, because the mean of its divisors is an integer number (38665704).

Almost surely, 2^518581012 is an apocalyptic number.

It is an amenable number.

518581012 is a deficient number, since it is larger than the sum of its proper divisors (409395884).

518581012 is a wasteful number, since it uses less digits than its factorization.

518581012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16287 (or 16285 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 31.

The square root of 518581012 is about 22772.3738771345. The cubic root of 518581012 is about 803.4130287530.

The spelling of 518581012 in words is "five hundred eighteen million, five hundred eighty-one thousand, twelve".