195249 has 8 divisors (see below), whose sum is σ = 267520. Its totient is φ = 126576.

The previous prime is 195241. The next prime is 195253. The reversal of 195249 is 942591.

It is a happy number.

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

It is not a de Polignac number, because 195249 - 2³ = 195241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (195241) 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 7 ways as a sum of consecutive naturals, for example, 769 + ... + 990.

It is an arithmetic number, because the mean of its divisors is an integer number (33440).

2¹⁹⁵²⁴⁹ is an apocalyptic number.

It is an amenable number.

195249 is a deficient number, since it is larger than the sum of its proper divisors (72271).

195249 is a wasteful number, since it uses less digits than its factorization.

195249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1799.

The product of its digits is 3240, while the sum is 30.

The square root of 195249 is about 441.8698903524. The cubic root of 195249 is about 58.0135719329.

It can be divided in two parts, 195 and 249, that added together give a palindrome (444).

The spelling of 195249 in words is "one hundred ninety-five thousand, two hundred forty-nine".