2195563 has 2 divisors, whose sum is σ = 2195564. Its totient is φ = 2195562.

The previous prime is 2195527. The next prime is 2195579. The reversal of 2195563 is 3655912.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2195563 - 2²¹ = 98411 is a prime.

2195563 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2195863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1097781 + 1097782.

It is an arithmetic number, because the mean of its divisors is an integer number (1097782).

2^2195563 is an apocalyptic number.

2195563 is a deficient number, since it is larger than the sum of its proper divisors (1).

2195563 is an equidigital number, since it uses as much as digits as its factorization.

2195563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8100, while the sum is 31.

The square root of 2195563 is about 1481.7432301178. The cubic root of 2195563 is about 129.9716506230.

The spelling of 2195563 in words is "two million, one hundred ninety-five thousand, five hundred sixty-three".