504003881 has 2 divisors, whose sum is σ = 504003882. Its totient is φ = 504003880.

The previous prime is 504003833. The next prime is 504003887. The reversal of 504003881 is 188300405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 454371856 + 49632025 = 21316^2 + 7045^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-504003881 is a prime.

It is a super-2 number, since 2×504003881² = 508039824126124322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (504003887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252001940 + 252001941.

It is an arithmetic number, because the mean of its divisors is an integer number (252001941).

Almost surely, 2^504003881 is an apocalyptic number.

It is an amenable number.

504003881 is a deficient number, since it is larger than the sum of its proper divisors (1).

504003881 is an equidigital number, since it uses as much as digits as its factorization.

504003881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 504003881 is about 22450.0307572172. The cubic root of 504003881 is about 795.8134842620.

The spelling of 504003881 in words is "five hundred four million, three thousand, eight hundred eighty-one".