450271 has 4 divisors (see below), whose sum is σ = 469872. Its totient is φ = 430672.

The previous prime is 450259. The next prime is 450277. The reversal of 450271 is 172054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 172054 = 2 ⋅86027.

It is a cyclic number.

It is not a de Polignac number, because 450271 - 2⁵ = 450239 is a prime.

It is a Duffinian number.

450271 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9766 + ... + 9811.

It is an arithmetic number, because the mean of its divisors is an integer number (117468).

2⁴⁵⁰²⁷¹ is an apocalyptic number.

450271 is a deficient number, since it is larger than the sum of its proper divisors (19601).

450271 is a wasteful number, since it uses less digits than its factorization.

450271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19600.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 450271 is about 671.0223543221. The cubic root of 450271 is about 76.6463231047.

The spelling of 450271 in words is "four hundred fifty thousand, two hundred seventy-one".