504871 has 2 divisors, whose sum is σ = 504872. Its totient is φ = 504870.

The previous prime is 504857. The next prime is 504877. The reversal of 504871 is 178405.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 504871 - 2⁹ = 504359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (504877) 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, 252435 + 252436.

It is an arithmetic number, because the mean of its divisors is an integer number (252436).

2⁵⁰⁴⁸⁷¹ is an apocalyptic number.

504871 is a deficient number, since it is larger than the sum of its proper divisors (1).

504871 is an equidigital number, since it uses as much as digits as its factorization.

504871 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 25.

The square root of 504871 is about 710.5427502973. The cubic root of 504871 is about 79.6269611455.

The spelling of 504871 in words is "five hundred four thousand, eight hundred seventy-one".