451163 has 4 divisors (see below), whose sum is σ = 477720. Its totient is φ = 424608.

The previous prime is 451159. The next prime is 451177. The reversal of 451163 is 361154.

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 451163 - 2² = 451159 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 (451103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13253 + ... + 13286.

It is an arithmetic number, because the mean of its divisors is an integer number (119430).

2⁴⁵¹¹⁶³ is an apocalyptic number.

451163 is a deficient number, since it is larger than the sum of its proper divisors (26557).

451163 is a wasteful number, since it uses less digits than its factorization.

451163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26556.

The product of its digits is 360, while the sum is 20.

The square root of 451163 is about 671.6866829110. The cubic root of 451163 is about 76.6969025877.

Subtracting from 451163 its reverse (361154), we obtain a palindrome (90009).

The spelling of 451163 in words is "four hundred fifty-one thousand, one hundred sixty-three".