504787 has 2 divisors, whose sum is σ = 504788. Its totient is φ = 504786.

The previous prime is 504767. The next prime is 504797. The reversal of 504787 is 787405.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 504787 - 2¹⁵ = 472019 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (504727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252393 + 252394.

It is an arithmetic number, because the mean of its divisors is an integer number (252394).

2⁵⁰⁴⁷⁸⁷ is an apocalyptic number.

504787 is a deficient number, since it is larger than the sum of its proper divisors (1).

504787 is an equidigital number, since it uses as much as digits as its factorization.

504787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 504787 is about 710.4836380945. The cubic root of 504787 is about 79.6225448123.

The spelling of 504787 in words is "five hundred four thousand, seven hundred eighty-seven".