2197563 has 4 divisors (see below), whose sum is σ = 2930088. Its totient is φ = 1465040.

The previous prime is 2197561. The next prime is 2197567. The reversal of 2197563 is 3657912.

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 2197563 - 2¹ = 2197561 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2197561) 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, 366258 + ... + 366263.

It is an arithmetic number, because the mean of its divisors is an integer number (732522).

2^2197563 is an apocalyptic number.

2197563 is a deficient number, since it is larger than the sum of its proper divisors (732525).

2197563 is an equidigital number, since it uses as much as digits as its factorization.

2197563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732524.

The product of its digits is 11340, while the sum is 33.

The square root of 2197563 is about 1482.4179572577. The cubic root of 2197563 is about 130.0111035881.

The spelling of 2197563 in words is "two million, one hundred ninety-seven thousand, five hundred sixty-three".