518260052 has 6 divisors (see below), whose sum is σ = 906955098. Its totient is φ = 259130024.

The previous prime is 518260033. The next prime is 518260063. The reversal of 518260052 is 250062815.

It can be written as a sum of positive squares in only one way, i.e., 449270416 + 68989636 = 21196^2 + 8306^2 .

It is a junction number, because it is equal to n+sod(n) for n = 518259997 and 518260024.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64782503 + ... + 64782510.

It is an arithmetic number, because the mean of its divisors is an integer number (151159183).

Almost surely, 2^518260052 is an apocalyptic number.

It is an amenable number.

518260052 is a deficient number, since it is larger than the sum of its proper divisors (388695046).

518260052 is a wasteful number, since it uses less digits than its factorization.

518260052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129565017 (or 129565015 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 518260052 is about 22765.3256510861. The cubic root of 518260052 is about 803.2472451647.

The spelling of 518260052 in words is "five hundred eighteen million, two hundred sixty thousand, fifty-two".