485771873 has 2 divisors, whose sum is σ = 485771874. Its totient is φ = 485771872.

The previous prime is 485771863. The next prime is 485771887. The reversal of 485771873 is 378177584.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 481495249 + 4276624 = 21943^2 + 2068^2 .

It is a cyclic number.

It is not a de Polignac number, because 485771873 - 2¹⁰ = 485770849 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (485771833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242885936 + 242885937.

It is an arithmetic number, because the mean of its divisors is an integer number (242885937).

Almost surely, 2^485771873 is an apocalyptic number.

It is an amenable number.

485771873 is a deficient number, since it is larger than the sum of its proper divisors (1).

485771873 is an equidigital number, since it uses as much as digits as its factorization.

485771873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1317120, while the sum is 50.

The square root of 485771873 is about 22040.2330523069. The cubic root of 485771873 is about 786.0993821636.

The spelling of 485771873 in words is "four hundred eighty-five million, seven hundred seventy-one thousand, eight hundred seventy-three".