451171 has 4 divisors (see below), whose sum is σ = 515632. Its totient is φ = 386712.

The previous prime is 451159. The next prime is 451177. The reversal of 451171 is 171154.

451171 is nontrivially palindromic in base 6.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 171154 = 2 ⋅85577.

It is a cyclic number.

It is not a de Polignac number, because 451171 - 2¹³ = 442979 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 (451177) 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, 32220 + ... + 32233.

It is an arithmetic number, because the mean of its divisors is an integer number (128908).

2⁴⁵¹¹⁷¹ is an apocalyptic number.

451171 is a deficient number, since it is larger than the sum of its proper divisors (64461).

451171 is an equidigital number, since it uses as much as digits as its factorization.

451171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64460.

The product of its digits is 140, while the sum is 19.

The square root of 451171 is about 671.6926380421. The cubic root of 451171 is about 76.6973559136.

The spelling of 451171 in words is "four hundred fifty-one thousand, one hundred seventy-one".