450530273 has 2 divisors, whose sum is σ = 450530274. Its totient is φ = 450530272.

The previous prime is 450530239. The next prime is 450530303. The reversal of 450530273 is 372035054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 265787809 + 184742464 = 16303^2 + 13592^2 .

It is a cyclic number.

It is not a de Polignac number, because 450530273 - 2¹⁰ = 450529249 is a prime.

It is not a weakly prime, because it can be changed into another prime (450530173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225265136 + 225265137.

It is an arithmetic number, because the mean of its divisors is an integer number (225265137).

Almost surely, 2^450530273 is an apocalyptic number.

It is an amenable number.

450530273 is a deficient number, since it is larger than the sum of its proper divisors (1).

450530273 is an equidigital number, since it uses as much as digits as its factorization.

450530273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 29.

The square root of 450530273 is about 21225.6984101819. The cubic root of 450530273 is about 766.6103166103.

The spelling of 450530273 in words is "four hundred fifty million, five hundred thirty thousand, two hundred seventy-three".