541405 has 16 divisors (see below), whose sum is σ = 705600. Its totient is φ = 397440.

The previous prime is 541391. The next prime is 541417. The reversal of 541405 is 504145.

It is not a de Polignac number, because 541405 - 2¹³ = 533213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3826 + ... + 3964.

It is an arithmetic number, because the mean of its divisors is an integer number (44100).

2⁵⁴¹⁴⁰⁵ is an apocalyptic number.

It is an amenable number.

541405 is a deficient number, since it is larger than the sum of its proper divisors (164195).

541405 is a wasteful number, since it uses less digits than its factorization.

541405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 541405 is about 735.8022832256. The cubic root of 541405 is about 81.5030924592.

It can be divided in two parts, 54140 and 5, that added together give a palindrome (54145).

The spelling of 541405 in words is "five hundred forty-one thousand, four hundred five".