465641 has 4 divisors (see below), whose sum is σ = 507984. Its totient is φ = 423300.

The previous prime is 465631. The next prime is 465643. The reversal of 465641 is 146564.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 465641 - 2¹⁰ = 464617 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 465641.

It is not an unprimeable number, because it can be changed into a prime (465643) 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 3 ways as a sum of consecutive naturals, for example, 21155 + ... + 21176.

It is an arithmetic number, because the mean of its divisors is an integer number (126996).

2⁴⁶⁵⁶⁴¹ is an apocalyptic number.

It is an amenable number.

465641 is a deficient number, since it is larger than the sum of its proper divisors (42343).

465641 is a wasteful number, since it uses less digits than its factorization.

465641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42342.

The product of its digits is 2880, while the sum is 26.

The square root of 465641 is about 682.3789269900. The cubic root of 465641 is about 77.5086913596.

The spelling of 465641 in words is "four hundred sixty-five thousand, six hundred forty-one".