504040211 has 2 divisors, whose sum is σ = 504040212. Its totient is φ = 504040210.

The previous prime is 504040111. The next prime is 504040237. The reversal of 504040211 is 112040405.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-504040211 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 504040211.

It is not a weakly prime, because it can be changed into another prime (504040291) 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 as a sum of consecutive naturals, namely, 252020105 + 252020106.

It is an arithmetic number, because the mean of its divisors is an integer number (252020106).

Almost surely, 2^504040211 is an apocalyptic number.

504040211 is a deficient number, since it is larger than the sum of its proper divisors (1).

504040211 is an equidigital number, since it uses as much as digits as its factorization.

504040211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 504040211 is about 22450.8398729313. The cubic root of 504040211 is about 795.8326052849.

Adding to 504040211 its reverse (112040405), we get a palindrome (616080616).

The spelling of 504040211 in words is "five hundred four million, forty thousand, two hundred eleven".