451161 has 6 divisors (see below), whose sum is σ = 651690. Its totient is φ = 300768.

The previous prime is 451159. The next prime is 451177. The reversal of 451161 is 161154.

It can be written as a sum of positive squares in only one way, i.e., 447561 + 3600 = 669^2 + 60^2 .

It is not a de Polignac number, because 451161 - 2¹ = 451159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (451181) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25056 + ... + 25073.

It is an arithmetic number, because the mean of its divisors is an integer number (108615).

2⁴⁵¹¹⁶¹ is an apocalyptic number.

It is an amenable number.

451161 is a deficient number, since it is larger than the sum of its proper divisors (200529).

451161 is a wasteful number, since it uses less digits than its factorization.

451161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50135 (or 50132 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 451161 is about 671.6851941200. The cubic root of 451161 is about 76.6967892554.

The spelling of 451161 in words is "four hundred fifty-one thousand, one hundred sixty-one".