201895 has 8 divisors (see below), whose sum is σ = 244800. Its totient is φ = 159840.

The previous prime is 201893. The next prime is 201907. The reversal of 201895 is 598102.

201895 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201895 - 2¹ = 201893 is a prime.

201895 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 610 + ... + 880.

It is an arithmetic number, because the mean of its divisors is an integer number (30600).

2²⁰¹⁸⁹⁵ is an apocalyptic number.

201895 is a deficient number, since it is larger than the sum of its proper divisors (42905).

201895 is a wasteful number, since it uses less digits than its factorization.

201895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 201895 is about 449.3272749344. The cubic root of 201895 is about 58.6644749239.

Adding to 201895 its reverse (598102), we get a palindrome (799997).

The spelling of 201895 in words is "two hundred one thousand, eight hundred ninety-five".