461165 has 4 divisors (see below), whose sum is σ = 553404. Its totient is φ = 368928.

The previous prime is 461147. The next prime is 461171. The reversal of 461165 is 561164.

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

It can be written as a sum of positive squares in 2 ways, for example, as 114244 + 346921 = 338^2 + 589^2 .

It is a cyclic number.

It is not a de Polignac number, because 461165 - 2⁶ = 461101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 461165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46112 + ... + 46121.

It is an arithmetic number, because the mean of its divisors is an integer number (138351).

2⁴⁶¹¹⁶⁵ is an apocalyptic number.

It is an amenable number.

461165 is a deficient number, since it is larger than the sum of its proper divisors (92239).

461165 is an equidigital number, since it uses as much as digits as its factorization.

461165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92238.

The product of its digits is 720, while the sum is 23.

The square root of 461165 is about 679.0913046123. The cubic root of 461165 is about 77.2595391145.

Subtracting 461165 from its reverse (561164), we obtain a palindrome (99999).

It can be divided in two parts, 461 and 165, that added together give a palindrome (626).

The spelling of 461165 in words is "four hundred sixty-one thousand, one hundred sixty-five".