504247 has 2 divisors, whose sum is σ = 504248. Its totient is φ = 504246.

The previous prime is 504221. The next prime is 504269. The reversal of 504247 is 742405.

504247 is nontrivially palindromic in base 16.

It is an a-pointer prime, because the next prime (504269) can be obtained adding 504247 to its sum of digits (22).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-504247 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (504047) 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, 252123 + 252124.

It is an arithmetic number, because the mean of its divisors is an integer number (252124).

2⁵⁰⁴²⁴⁷ is an apocalyptic number.

504247 is a deficient number, since it is larger than the sum of its proper divisors (1).

504247 is an equidigital number, since it uses as much as digits as its factorization.

504247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 504247 is about 710.1035135809. The cubic root of 504247 is about 79.5941423936.

The spelling of 504247 in words is "five hundred four thousand, two hundred forty-seven".