195187 has 4 divisors (see below), whose sum is σ = 205480. Its totient is φ = 184896.

The previous prime is 195163. The next prime is 195193. The reversal of 195187 is 781591.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 781591 = 53 ⋅14747.

It is a cyclic number.

It is not a de Polignac number, because 195187 - 2¹¹ = 193139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195127) 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, 5118 + ... + 5155.

It is an arithmetic number, because the mean of its divisors is an integer number (51370).

2¹⁹⁵¹⁸⁷ is an apocalyptic number.

195187 is a deficient number, since it is larger than the sum of its proper divisors (10293).

195187 is a wasteful number, since it uses less digits than its factorization.

195187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10292.

The product of its digits is 2520, while the sum is 31.

The square root of 195187 is about 441.7997283838. The cubic root of 195187 is about 58.0074306770.

The spelling of 195187 in words is "one hundred ninety-five thousand, one hundred eighty-seven".