541085 has 4 divisors (see below), whose sum is σ = 649308. Its totient is φ = 432864.

The previous prime is 541061. The next prime is 541087. The reversal of 541085 is 580145.

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 139129 + 401956 = 373^2 + 634^2 .

It is a cyclic number.

It is not a de Polignac number, because 541085 - 2¹⁰ = 540061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 541085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541087) 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, 54104 + ... + 54113.

It is an arithmetic number, because the mean of its divisors is an integer number (162327).

2⁵⁴¹⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

541085 is a deficient number, since it is larger than the sum of its proper divisors (108223).

541085 is a wasteful number, since it uses less digits than its factorization.

541085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108222.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 541085 is about 735.5848013656. The cubic root of 541085 is about 81.4870316977.

Subtracting 541085 from its reverse (580145), we obtain a triangular number (39060 = T₂₇₉).

The spelling of 541085 in words is "five hundred forty-one thousand, eighty-five".