2195147 has 2 divisors, whose sum is σ = 2195148. Its totient is φ = 2195146.

The previous prime is 2195119. The next prime is 2195177. The reversal of 2195147 is 7415912.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2195147 - 2¹² = 2191051 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2195117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1097573 + 1097574.

It is an arithmetic number, because the mean of its divisors is an integer number (1097574).

2^2195147 is an apocalyptic number.

2195147 is a deficient number, since it is larger than the sum of its proper divisors (1).

2195147 is an equidigital number, since it uses as much as digits as its factorization.

2195147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 29.

The square root of 2195147 is about 1481.6028482694. The cubic root of 2195147 is about 129.9634413965.

The spelling of 2195147 in words is "two million, one hundred ninety-five thousand, one hundred forty-seven".