504403 has 2 divisors, whose sum is σ = 504404. Its totient is φ = 504402.

The previous prime is 504389. The next prime is 504457. The reversal of 504403 is 304405.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 504403 - 2¹³ = 496211 is a prime.

It is not a weakly prime, because it can be changed into another prime (504473) 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 as a sum of consecutive naturals, namely, 252201 + 252202.

It is an arithmetic number, because the mean of its divisors is an integer number (252202).

2⁵⁰⁴⁴⁰³ is an apocalyptic number.

504403 is a deficient number, since it is larger than the sum of its proper divisors (1).

504403 is an equidigital number, since it uses as much as digits as its factorization.

504403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 504403 is about 710.2133482271. The cubic root of 504403 is about 79.6023496188.

Adding to 504403 its reverse (304405), we get a palindrome (808808).

The spelling of 504403 in words is "five hundred four thousand, four hundred three".