450911 has 4 divisors (see below), whose sum is σ = 453024. Its totient is φ = 448800.

The previous prime is 450899. The next prime is 450913. The reversal of 450911 is 119054.

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

It is a cyclic number.

It is not a de Polignac number, because 450911 - 2⁶ = 450847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450913) 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, 695 + ... + 1176.

It is an arithmetic number, because the mean of its divisors is an integer number (113256).

2⁴⁵⁰⁹¹¹ is an apocalyptic number.

450911 is a deficient number, since it is larger than the sum of its proper divisors (2113).

450911 is a wasteful number, since it uses less digits than its factorization.

450911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 450911 is about 671.4990692473. The cubic root of 450911 is about 76.6826200785.

Adding to 450911 its reverse (119054), we get a palindrome (569965).

The spelling of 450911 in words is "four hundred fifty thousand, nine hundred eleven".