518481356 has 12 divisors (see below), whose sum is σ = 910794192. Its totient is φ = 258254448.

The previous prime is 518481349. The next prime is 518481361. The reversal of 518481356 is 653184815.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245375 + ... + 247478.

It is an arithmetic number, because the mean of its divisors is an integer number (75899516).

Almost surely, 2^518481356 is an apocalyptic number.

It is an amenable number.

518481356 is a deficient number, since it is larger than the sum of its proper divisors (392312836).

518481356 is a wasteful number, since it uses less digits than its factorization.

518481356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493120 (or 493118 counting only the distinct ones).

The product of its digits is 115200, while the sum is 41.

The square root of 518481356 is about 22770.1856821590. The cubic root of 518481356 is about 803.3615613473.

The spelling of 518481356 in words is "five hundred eighteen million, four hundred eighty-one thousand, three hundred fifty-six".