2197603 has 2 divisors, whose sum is σ = 2197604. Its totient is φ = 2197602.

The previous prime is 2197589. The next prime is 2197609. The reversal of 2197603 is 3067912.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2197603 is a prime.

It is not a weakly prime, because it can be changed into another prime (2197609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1098801 + 1098802.

It is an arithmetic number, because the mean of its divisors is an integer number (1098802).

2^2197603 is an apocalyptic number.

2197603 is a deficient number, since it is larger than the sum of its proper divisors (1).

2197603 is an equidigital number, since it uses as much as digits as its factorization.

2197603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 2197603 is about 1482.4314486680. The cubic root of 2197603 is about 130.0118924032.

The spelling of 2197603 in words is "two million, one hundred ninety-seven thousand, six hundred three".