541605 has 8 divisors (see below), whose sum is σ = 866592. Its totient is φ = 288848.

The previous prime is 541589. The next prime is 541613. The reversal of 541605 is 506145.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 541605 - 2⁴ = 541589 is a prime.

It is a Curzon number.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18039 + ... + 18068.

It is an arithmetic number, because the mean of its divisors is an integer number (108324).

2⁵⁴¹⁶⁰⁵ is an apocalyptic number.

It is an amenable number.

541605 is a deficient number, since it is larger than the sum of its proper divisors (324987).

541605 is a wasteful number, since it uses less digits than its factorization.

541605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36115.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 541605 is about 735.9381767513. The cubic root of 541605 is about 81.5131272217.

The spelling of 541605 in words is "five hundred forty-one thousand, six hundred five".