450571 has 4 divisors (see below), whose sum is σ = 491544. Its totient is φ = 409600.

The previous prime is 450563. The next prime is 450581. The reversal of 450571 is 175054.

It is a semiprime because it is the product of two primes.

It is a 14-Lehmer number, since φ(450571) divides (450571-1)¹⁴.

It is a cyclic number.

It is not a de Polignac number, because 450571 - 2³ = 450563 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450581) 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, 20470 + ... + 20491.

It is an arithmetic number, because the mean of its divisors is an integer number (122886).

2⁴⁵⁰⁵⁷¹ is an apocalyptic number.

450571 is a deficient number, since it is larger than the sum of its proper divisors (40973).

450571 is a wasteful number, since it uses less digits than its factorization.

450571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40972.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 450571 is about 671.2458565980. The cubic root of 450571 is about 76.6633415907.

The spelling of 450571 in words is "four hundred fifty thousand, five hundred seventy-one".