504091 has 16 divisors (see below), whose sum is σ = 626688. Its totient is φ = 396000.

The previous prime is 504073. The next prime is 504103. The reversal of 504091 is 190405.

It is a cyclic number.

It is not a de Polignac number, because 504091 - 2⁷ = 503963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (504001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4941 + ... + 5041.

It is an arithmetic number, because the mean of its divisors is an integer number (39168).

2⁵⁰⁴⁰⁹¹ is an apocalyptic number.

504091 is a deficient number, since it is larger than the sum of its proper divisors (122597).

504091 is a wasteful number, since it uses less digits than its factorization.

504091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 504091 is about 709.9936619435. The cubic root of 504091 is about 79.5859334756.

Adding to 504091 its reverse (190405), we get a palindrome (694496).

The spelling of 504091 in words is "five hundred four thousand, ninety-one".