505875983 has 2 divisors, whose sum is σ = 505875984. Its totient is φ = 505875982.

The previous prime is 505875871. The next prime is 505876001. The reversal of 505875983 is 389578505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 505875983 - 2²⁴ = 489098767 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505875583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252937991 + 252937992.

It is an arithmetic number, because the mean of its divisors is an integer number (252937992).

Almost surely, 2^505875983 is an apocalyptic number.

505875983 is a deficient number, since it is larger than the sum of its proper divisors (1).

505875983 is an equidigital number, since it uses as much as digits as its factorization.

505875983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512000, while the sum is 50.

The square root of 505875983 is about 22491.6869754138. The cubic root of 505875983 is about 796.7976057564.

The spelling of 505875983 in words is "five hundred five million, eight hundred seventy-five thousand, nine hundred eighty-three".