485075989 has 2 divisors, whose sum is σ = 485075990. Its totient is φ = 485075988.

The previous prime is 485075963. The next prime is 485075999. The reversal of 485075989 is 989570584.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 397803025 + 87272964 = 19945^2 + 9342^2 .

It is a cyclic number.

It is not a de Polignac number, because 485075989 - 2¹³ = 485067797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (485075939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242537994 + 242537995.

It is an arithmetic number, because the mean of its divisors is an integer number (242537995).

Almost surely, 2^485075989 is an apocalyptic number.

It is an amenable number.

485075989 is a deficient number, since it is larger than the sum of its proper divisors (1).

485075989 is an equidigital number, since it uses as much as digits as its factorization.

485075989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3628800, while the sum is 55.

The square root of 485075989 is about 22024.4407193463. The cubic root of 485075989 is about 785.7238318037.

The spelling of 485075989 in words is "four hundred eighty-five million, seventy-five thousand, nine hundred eighty-nine".