541165 has 4 divisors (see below), whose sum is σ = 649404. Its totient is φ = 432928.

The previous prime is 541153. The next prime is 541181. The reversal of 541165 is 561145.

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 298116 + 243049 = 546^2 + 493^2 .

It is a cyclic number.

It is not a de Polignac number, because 541165 - 2⁵ = 541133 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

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, 54112 + ... + 54121.

It is an arithmetic number, because the mean of its divisors is an integer number (162351).

2⁵⁴¹¹⁶⁵ is an apocalyptic number.

It is an amenable number.

541165 is a deficient number, since it is larger than the sum of its proper divisors (108239).

541165 is a wasteful number, since it uses less digits than its factorization.

541165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108238.

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

The square root of 541165 is about 735.6391778583. The cubic root of 541165 is about 81.4910474816.

It can be divided in two parts, 5411 and 65, that added together give a square (5476 = 74²).

The spelling of 541165 in words is "five hundred forty-one thousand, one hundred sixty-five".