465381 has 24 divisors (see below), whose sum is σ = 786240. Its totient is φ = 259776.

The previous prime is 465379. The next prime is 465383. The reversal of 465381 is 183564.

465381 is a `hidden beast` number, since 4 + 653 + 8 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (465379) and next prime (465383).

It is not a de Polignac number, because 465381 - 2¹ = 465379 is a prime.

It is a super-2 number, since 2×465381² = 433158950322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (465383) 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 23 ways as a sum of consecutive naturals, for example, 5185 + ... + 5273.

It is an arithmetic number, because the mean of its divisors is an integer number (32760).

2⁴⁶⁵³⁸¹ is an apocalyptic number.

It is an amenable number.

465381 is a deficient number, since it is larger than the sum of its proper divisors (320859).

465381 is a wasteful number, since it uses less digits than its factorization.

465381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185 (or 182 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 465381 is about 682.1883904025. The cubic root of 465381 is about 77.4942624958.

The spelling of 465381 in words is "four hundred sixty-five thousand, three hundred eighty-one".