541729 has 4 divisors (see below), whose sum is σ = 544000. Its totient is φ = 539460.

The previous prime is 541727. The next prime is 541759. The reversal of 541729 is 927145.

It is a happy number.

541729 is nontrivially palindromic in base 9.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 927145 = 5 ⋅185429.

It is a cyclic number.

It is not a de Polignac number, because 541729 - 2¹ = 541727 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 541697 and 541706.

It is not an unprimeable number, because it can be changed into a prime (541721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729 + ... + 1270.

It is an arithmetic number, because the mean of its divisors is an integer number (136000).

2⁵⁴¹⁷²⁹ is an apocalyptic number.

It is an amenable number.

541729 is a deficient number, since it is larger than the sum of its proper divisors (2271).

541729 is a wasteful number, since it uses less digits than its factorization.

541729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2270.

The product of its digits is 2520, while the sum is 28.

The square root of 541729 is about 736.0224181368. The cubic root of 541729 is about 81.5193475338.

The spelling of 541729 in words is "five hundred forty-one thousand, seven hundred twenty-nine".