2101595 has 4 divisors (see below), whose sum is σ = 2521920. Its totient is φ = 1681272.

The previous prime is 2101553. The next prime is 2101607. The reversal of 2101595 is 5951012.

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 2101595 - 2⁶ = 2101531 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2101595.

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, 210155 + ... + 210164.

It is an arithmetic number, because the mean of its divisors is an integer number (630480).

2^2101595 is an apocalyptic number.

2101595 is a deficient number, since it is larger than the sum of its proper divisors (420325).

2101595 is an equidigital number, since it uses as much as digits as its factorization.

2101595 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420324.

The product of its (nonzero) digits is 450, while the sum is 23.

The square root of 2101595 is about 1449.6878974455. The cubic root of 2101595 is about 128.0903293062.

The spelling of 2101595 in words is "two million, one hundred one thousand, five hundred ninety-five".