215095 has 4 divisors (see below), whose sum is σ = 258120. Its totient is φ = 172072.

The previous prime is 215087. The next prime is 215123. The reversal of 215095 is 590512.

215095 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 215095 - 2³ = 215087 is a prime.

It is a Smith number, since the sum of its digits (22) 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 unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21505 + ... + 21514.

It is an arithmetic number, because the mean of its divisors is an integer number (64530).

2²¹⁵⁰⁹⁵ is an apocalyptic number.

215095 is a deficient number, since it is larger than the sum of its proper divisors (43025).

215095 is an equidigital number, since it uses as much as digits as its factorization.

215095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43024.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 215095 is about 463.7833545957. The cubic root of 215095 is about 59.9160864002.

The spelling of 215095 in words is "two hundred fifteen thousand, ninety-five".