450530089 has 2 divisors, whose sum is σ = 450530090. Its totient is φ = 450530088.

The previous prime is 450530083. The next prime is 450530111. The reversal of 450530089 is 980035054.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 364504464 + 86025625 = 19092^2 + 9275^2 .

It is a cyclic number.

It is not a de Polignac number, because 450530089 - 2³ = 450530081 is a prime.

It is a super-2 number, since 2×450530089² = 405954722188695842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (450530081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225265044 + 225265045.

It is an arithmetic number, because the mean of its divisors is an integer number (225265045).

Almost surely, 2^450530089 is an apocalyptic number.

It is an amenable number.

450530089 is a deficient number, since it is larger than the sum of its proper divisors (1).

450530089 is an equidigital number, since it uses as much as digits as its factorization.

450530089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 450530089 is about 21225.6940758129. The cubic root of 450530089 is about 766.6102122471.

The spelling of 450530089 in words is "four hundred fifty million, five hundred thirty thousand, eighty-nine".