450403 has 2 divisors, whose sum is σ = 450404. Its totient is φ = 450402.

The previous prime is 450391. The next prime is 450413. The reversal of 450403 is 304054.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450403 is a prime.

It is not a weakly prime, because it can be changed into another prime (450413) 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, 225201 + 225202.

It is an arithmetic number, because the mean of its divisors is an integer number (225202).

2⁴⁵⁰⁴⁰³ is an apocalyptic number.

450403 is a deficient number, since it is larger than the sum of its proper divisors (1).

450403 is an equidigital number, since it uses as much as digits as its factorization.

450403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 450403 is about 671.1207044936. The cubic root of 450403 is about 76.6538121696.

Adding to 450403 its reverse (304054), we get a palindrome (754457).

The spelling of 450403 in words is "four hundred fifty thousand, four hundred three".