504209 has 2 divisors, whose sum is σ = 504210. Its totient is φ = 504208.

The previous prime is 504197. The next prime is 504221. The reversal of 504209 is 902405.

It is a balanced prime because it is at equal distance from previous prime (504197) and next prime (504221).

It can be written as a sum of positive squares in only one way, i.e., 494209 + 10000 = 703^2 + 100^2 .

It is a cyclic number.

It is not a de Polignac number, because 504209 - 2¹² = 500113 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (504269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252104 + 252105.

It is an arithmetic number, because the mean of its divisors is an integer number (252105).

2⁵⁰⁴²⁰⁹ is an apocalyptic number.

It is an amenable number.

504209 is a deficient number, since it is larger than the sum of its proper divisors (1).

504209 is an equidigital number, since it uses as much as digits as its factorization.

504209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 504209 is about 710.0767564144. The cubic root of 504209 is about 79.5921429414.

The spelling of 504209 in words is "five hundred four thousand, two hundred nine".