465881 has 4 divisors (see below), whose sum is σ = 501732. Its totient is φ = 430032.

The previous prime is 465841. The next prime is 465887. The reversal of 465881 is 188564.

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 99856 + 366025 = 316^2 + 605^2 .

It is a cyclic number.

It is not a de Polignac number, because 465881 - 2¹⁰ = 464857 is a prime.

It is a super-2 number, since 2×465881² = 434090212322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (465887) 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, 17906 + ... + 17931.

It is an arithmetic number, because the mean of its divisors is an integer number (125433).

2⁴⁶⁵⁸⁸¹ is an apocalyptic number.

It is an amenable number.

465881 is a deficient number, since it is larger than the sum of its proper divisors (35851).

465881 is a wasteful number, since it uses less digits than its factorization.

465881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35850.

The product of its digits is 7680, while the sum is 32.

The square root of 465881 is about 682.5547597080. The cubic root of 465881 is about 77.5220055444.

The spelling of 465881 in words is "four hundred sixty-five thousand, eight hundred eighty-one".