195441 has 4 divisors (see below), whose sum is σ = 260592. Its totient is φ = 130292.

The previous prime is 195427. The next prime is 195443. The reversal of 195441 is 144591.

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, and also an emirpimes, since its reverse is a distinct semiprime: 144591 = 3 ⋅48197.

It is a cyclic number.

It is not a de Polignac number, because 195441 - 2¹¹ = 193393 is a prime.

It is a D-number.

It is a Curzon number.

195441 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (195443) 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, 32571 + ... + 32576.

It is an arithmetic number, because the mean of its divisors is an integer number (65148).

2¹⁹⁵⁴⁴¹ is an apocalyptic number.

It is an amenable number.

195441 is a deficient number, since it is larger than the sum of its proper divisors (65151).

195441 is an equidigital number, since it uses as much as digits as its factorization.

195441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65150.

The product of its digits is 720, while the sum is 24.

The square root of 195441 is about 442.0870954914. The cubic root of 195441 is about 58.0325817729.

It can be divided in two parts, 195 and 441, that added together give a palindrome (636).

The spelling of 195441 in words is "one hundred ninety-five thousand, four hundred forty-one".