543641 has 8 divisors (see below), whose sum is σ = 638400. Its totient is φ = 453168.

The previous prime is 543637. The next prime is 543659. The reversal of 543641 is 146345.

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 543641 - 2² = 543637 is a prime.

It is not an unprimeable number, because it can be changed into a prime (543601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 791 + ... + 1308.

It is an arithmetic number, because the mean of its divisors is an integer number (79800).

2⁵⁴³⁶⁴¹ is an apocalyptic number.

It is an amenable number.

543641 is a deficient number, since it is larger than the sum of its proper divisors (94759).

543641 is a wasteful number, since it uses less digits than its factorization.

543641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143.

The product of its digits is 1440, while the sum is 23.

The square root of 543641 is about 737.3201475614. The cubic root of 543641 is about 81.6151408051.

Adding to 543641 its reverse (146345), we get a palindrome (689986).

The spelling of 543641 in words is "five hundred forty-three thousand, six hundred forty-one".