545241 has 8 divisors (see below), whose sum is σ = 769824. Its totient is φ = 342080.

The previous prime is 545239. The next prime is 545257. The reversal of 545241 is 142545.

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 545241 - 2¹ = 545239 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (545231) 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, 5295 + ... + 5396.

It is an arithmetic number, because the mean of its divisors is an integer number (96228).

2⁵⁴⁵²⁴¹ is an apocalyptic number.

545241 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

545241 is a deficient number, since it is larger than the sum of its proper divisors (224583).

545241 is a wasteful number, since it uses less digits than its factorization.

545241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10711.

The product of its digits is 800, while the sum is 21.

The square root of 545241 is about 738.4043607672. The cubic root of 545241 is about 81.6951300664.

Adding to 545241 its reverse (142545), we get a palindrome (687786).

The spelling of 545241 in words is "five hundred forty-five thousand, two hundred forty-one".