518049 has 16 divisors (see below), whose sum is σ = 877440. Its totient is φ = 295920.

The previous prime is 518047. The next prime is 518057. The reversal of 518049 is 940815.

It is not a de Polignac number, because 518049 - 2¹ = 518047 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 518049.

It is not an unprimeable number, because it can be changed into a prime (518047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1182 + ... + 1559.

It is an arithmetic number, because the mean of its divisors is an integer number (54840).

2⁵¹⁸⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

518049 is a deficient number, since it is larger than the sum of its proper divisors (359391).

518049 is a wasteful number, since it uses less digits than its factorization.

518049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2757 (or 2751 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 518049 is about 719.7562087263. The cubic root of 518049 is about 80.3138194406.

It can be divided in two parts, 51 and 8049, that added together give a square (8100 = 90²).

The spelling of 518049 in words is "five hundred eighteen thousand, forty-nine".