450451 has 2 divisors, whose sum is σ = 450452. Its totient is φ = 450450.

The previous prime is 450431. The next prime is 450473. The reversal of 450451 is 154054.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450451 is a prime.

It is a super-2 number, since 2×450451² = 405812206802, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (450421) 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, 225225 + 225226.

It is an arithmetic number, because the mean of its divisors is an integer number (225226).

2⁴⁵⁰⁴⁵¹ is an apocalyptic number.

450451 is a deficient number, since it is larger than the sum of its proper divisors (1).

450451 is an equidigital number, since it uses as much as digits as its factorization.

450451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 450451 is about 671.1564646191. The cubic root of 450451 is about 76.6565351031.

The spelling of 450451 in words is "four hundred fifty thousand, four hundred fifty-one".