485853881 has 2 divisors, whose sum is σ = 485853882. Its totient is φ = 485853880.

The previous prime is 485853877. The next prime is 485853889. The reversal of 485853881 is 188358584.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 285914281 + 199939600 = 16909^2 + 14140^2 .

It is a cyclic number.

It is not a de Polignac number, because 485853881 - 2² = 485853877 is a prime.

It is a super-2 number, since 2×485853881² = 472107987365524322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (485853889) 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, 242926940 + 242926941.

It is an arithmetic number, because the mean of its divisors is an integer number (242926941).

Almost surely, 2^485853881 is an apocalyptic number.

It is an amenable number.

485853881 is a deficient number, since it is larger than the sum of its proper divisors (1).

485853881 is an equidigital number, since it uses as much as digits as its factorization.

485853881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1228800, while the sum is 50.

The square root of 485853881 is about 22042.0933896942. The cubic root of 485853881 is about 786.1436161030.

The spelling of 485853881 in words is "four hundred eighty-five million, eight hundred fifty-three thousand, eight hundred eighty-one".