541005 has 8 divisors (see below), whose sum is σ = 865632. Its totient is φ = 288528.

The previous prime is 541001. The next prime is 541007. The reversal of 541005 is 500145.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 541005 - 2² = 541001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 36067 = 541005 / (5 + 4 + 1 + 0 + 0 + 5).

541005 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18019 + ... + 18048.

It is an arithmetic number, because the mean of its divisors is an integer number (108204).

2⁵⁴¹⁰⁰⁵ is an apocalyptic number.

It is an amenable number.

541005 is a deficient number, since it is larger than the sum of its proper divisors (324627).

541005 is a wasteful number, since it uses less digits than its factorization.

541005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36075.

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 541005 is about 735.5304208529. The cubic root of 541005 is about 81.4830155180.

The spelling of 541005 in words is "five hundred forty-one thousand, five".