2161095 has 8 divisors (see below), whose sum is σ = 3457776. Its totient is φ = 1152576.

The previous prime is 2161087. The next prime is 2161121. The reversal of 2161095 is 5901612.

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

It is not a de Polignac number, because 2161095 - 2³ = 2161087 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72022 + ... + 72051.

It is an arithmetic number, because the mean of its divisors is an integer number (432222).

2^2161095 is an apocalyptic number.

2161095 is a deficient number, since it is larger than the sum of its proper divisors (1296681).

2161095 is a wasteful number, since it uses less digits than its factorization.

2161095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144081.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 2161095 is about 1470.0663250344. The cubic root of 2161095 is about 129.2879212857.

It can be divided in two parts, 21 and 61095, that added together give a palindrome (61116).

The spelling of 2161095 in words is "two million, one hundred sixty-one thousand, ninety-five".