2195291 has 4 divisors (see below), whose sum is σ = 2508912. Its totient is φ = 1881672.

The previous prime is 2195287. The next prime is 2195299. The reversal of 2195291 is 1925912.

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 2195291 - 2² = 2195287 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2195299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156800 + ... + 156813.

It is an arithmetic number, because the mean of its divisors is an integer number (627228).

2^2195291 is an apocalyptic number.

2195291 is a deficient number, since it is larger than the sum of its proper divisors (313621).

2195291 is an equidigital number, since it uses as much as digits as its factorization.

2195291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313620.

The product of its digits is 1620, while the sum is 29.

The square root of 2195291 is about 1481.6514434913. The cubic root of 2195291 is about 129.9662831692.

The spelling of 2195291 in words is "two million, one hundred ninety-five thousand, two hundred ninety-one".