505377673 has 2 divisors, whose sum is σ = 505377674. Its totient is φ = 505377672.

The previous prime is 505377611. The next prime is 505377701. The reversal of 505377673 is 376773505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 388996729 + 116380944 = 19723^2 + 10788^2 .

It is a cyclic number.

It is not a de Polignac number, because 505377673 - 2⁹ = 505377161 is a prime.

It is not a weakly prime, because it can be changed into another prime (505377073) 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, 252688836 + 252688837.

It is an arithmetic number, because the mean of its divisors is an integer number (252688837).

Almost surely, 2^505377673 is an apocalyptic number.

It is an amenable number.

505377673 is a deficient number, since it is larger than the sum of its proper divisors (1).

505377673 is an equidigital number, since it uses as much as digits as its factorization.

505377673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 463050, while the sum is 43.

The square root of 505377673 is about 22480.6065976877. The cubic root of 505377673 is about 796.5358929579.

The spelling of 505377673 in words is "five hundred five million, three hundred seventy-seven thousand, six hundred seventy-three".