195011 has 4 divisors (see below), whose sum is σ = 196224. Its totient is φ = 193800.

The previous prime is 194989. The next prime is 195023. The reversal of 195011 is 110591.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 195011 - 2¹⁴ = 178627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195071) 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, 320 + ... + 701.

It is an arithmetic number, because the mean of its divisors is an integer number (49056).

2¹⁹⁵⁰¹¹ is an apocalyptic number.

195011 is a deficient number, since it is larger than the sum of its proper divisors (1213).

195011 is a wasteful number, since it uses less digits than its factorization.

195011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212.

The product of its (nonzero) digits is 45, while the sum is 17.

The square root of 195011 is about 441.6004981881. The cubic root of 195011 is about 57.9899903456.

The spelling of 195011 in words is "one hundred ninety-five thousand, eleven".