518053 has 4 divisors (see below), whose sum is σ = 521920. Its totient is φ = 514188.

The previous prime is 518047. The next prime is 518057. The reversal of 518053 is 350815.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 350815 = 5 ⋅70163.

It is a 5-Lehmer number, since φ(518053) divides (518053-1)⁵.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-518053 is a prime.

It is a Duffinian number.

518053 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (518057) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1725 + ... + 2002.

It is an arithmetic number, because the mean of its divisors is an integer number (130480).

2⁵¹⁸⁰⁵³ is an apocalyptic number.

It is an amenable number.

518053 is a deficient number, since it is larger than the sum of its proper divisors (3867).

518053 is a wasteful number, since it uses less digits than its factorization.

518053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3866.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 518053 is about 719.7589874395. The cubic root of 518053 is about 80.3140261485.

Adding to 518053 its reverse (350815), we get a palindrome (868868).

The spelling of 518053 in words is "five hundred eighteen thousand, fifty-three".