450481 has 2 divisors, whose sum is σ = 450482. Its totient is φ = 450480.

The previous prime is 450479. The next prime is 450487. The reversal of 450481 is 184054.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 234256 + 216225 = 484^2 + 465^2 .

It is a cyclic number.

It is not a de Polignac number, because 450481 - 2¹ = 450479 is a prime.

It is a super-2 number, since 2×450481² = 405866262722, which contains 22 as substring.

Together with 450479, it forms a pair of twin primes.

450481 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (450487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225240 + 225241.

It is an arithmetic number, because the mean of its divisors is an integer number (225241).

2⁴⁵⁰⁴⁸¹ is an apocalyptic number.

It is an amenable number.

450481 is a deficient number, since it is larger than the sum of its proper divisors (1).

450481 is an equidigital number, since it uses as much as digits as its factorization.

450481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 450481 is about 671.1788137300. The cubic root of 450481 is about 76.6582368383.

The spelling of 450481 in words is "four hundred fifty thousand, four hundred eighty-one".