518141 has 4 divisors (see below), whose sum is σ = 558012. Its totient is φ = 478272.

The previous prime is 518137. The next prime is 518153. The reversal of 518141 is 141815.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 319225 + 198916 = 565^2 + 446^2 .

It is a cyclic number.

It is not a de Polignac number, because 518141 - 2² = 518137 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (518101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19916 + ... + 19941.

It is an arithmetic number, because the mean of its divisors is an integer number (139503).

2⁵¹⁸¹⁴¹ is an apocalyptic number.

It is an amenable number.

518141 is a deficient number, since it is larger than the sum of its proper divisors (39871).

518141 is a wasteful number, since it uses less digits than its factorization.

518141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39870.

The product of its digits is 160, while the sum is 20.

The square root of 518141 is about 719.8201164180. The cubic root of 518141 is about 80.3185734530.

Adding to 518141 its reverse (141815), we get a palindrome (659956).

It can be divided in two parts, 51814 and 1, that added together give a palindrome (51815).

The spelling of 518141 in words is "five hundred eighteen thousand, one hundred forty-one".