505010873 has 2 divisors, whose sum is σ = 505010874. Its totient is φ = 505010872.

The previous prime is 505010867. The next prime is 505010881. The reversal of 505010873 is 378010505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 295427344 + 209583529 = 17188^2 + 14477^2 .

It is a cyclic number.

It is not a de Polignac number, because 505010873 - 2¹⁴ = 504994489 is a prime.

It is not a weakly prime, because it can be changed into another prime (505010833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252505436 + 252505437.

It is an arithmetic number, because the mean of its divisors is an integer number (252505437).

Almost surely, 2^505010873 is an apocalyptic number.

It is an amenable number.

505010873 is a deficient number, since it is larger than the sum of its proper divisors (1).

505010873 is an equidigital number, since it uses as much as digits as its factorization.

505010873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 505010873 is about 22472.4469740169. The cubic root of 505010873 is about 796.3431393701.

The spelling of 505010873 in words is "five hundred five million, ten thousand, eight hundred seventy-three".