485128073 has 2 divisors, whose sum is σ = 485128074. Its totient is φ = 485128072.

The previous prime is 485128069. The next prime is 485128103. The reversal of 485128073 is 370821584.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 462594064 + 22534009 = 21508^2 + 4747^2 .

It is a cyclic number.

It is not a de Polignac number, because 485128073 - 2² = 485128069 is a prime.

It is not a weakly prime, because it can be changed into another prime (485128573) 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, 242564036 + 242564037.

It is an arithmetic number, because the mean of its divisors is an integer number (242564037).

Almost surely, 2^485128073 is an apocalyptic number.

It is an amenable number.

485128073 is a deficient number, since it is larger than the sum of its proper divisors (1).

485128073 is an equidigital number, since it uses as much as digits as its factorization.

485128073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 485128073 is about 22025.6231012882. The cubic root of 485128073 is about 785.7519526043.

The spelling of 485128073 in words is "four hundred eighty-five million, one hundred twenty-eight thousand, seventy-three".