91095 has 8 divisors (see below), whose sum is σ = 145776. Its totient is φ = 48576.

The previous prime is 91081. The next prime is 91097. The reversal of 91095 is 59019.

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 91095 - 2⁴ = 91079 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 91095.

It is not an unprimeable number, because it can be changed into a prime (91097) 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, 3022 + ... + 3051.

It is an arithmetic number, because the mean of its divisors is an integer number (18222).

2⁹¹⁰⁹⁵ is an apocalyptic number.

91095 is a deficient number, since it is larger than the sum of its proper divisors (54681).

91095 is a wasteful number, since it uses less digits than its factorization.

91095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6081.

The product of its (nonzero) digits is 405, while the sum is 24.

The square root of 91095 is about 301.8194824726. The cubic root of 91095 is about 44.9950611864.

Adding to 91095 its sum of digits (24), we get a palindrome (91119).

The spelling of 91095 in words is "ninety-one thousand, ninety-five".