504541 has 4 divisors (see below), whose sum is σ = 510300. Its totient is φ = 498784.

The previous prime is 504527. The next prime is 504547. The reversal of 504541 is 145405.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 108900 + 395641 = 330^2 + 629^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-504541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2746 + ... + 2923.

It is an arithmetic number, because the mean of its divisors is an integer number (127575).

2⁵⁰⁴⁵⁴¹ is an apocalyptic number.

It is an amenable number.

504541 is a deficient number, since it is larger than the sum of its proper divisors (5759).

504541 is an equidigital number, since it uses as much as digits as its factorization.

504541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5758.

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

The square root of 504541 is about 710.3104954877. The cubic root of 504541 is about 79.6096084459.

Adding to 504541 its reverse (145405), we get a palindrome (649946).

The spelling of 504541 in words is "five hundred four thousand, five hundred forty-one".