2203997 has 2 divisors, whose sum is σ = 2203998. Its totient is φ = 2203996.

The previous prime is 2203973. The next prime is 2204003. The reversal of 2203997 is 7993022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2105401 + 98596 = 1451^2 + 314^2 .

It is a cyclic number.

It is not a de Polignac number, because 2203997 - 2⁶ = 2203933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2203967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101998 + 1101999.

It is an arithmetic number, because the mean of its divisors is an integer number (1101999).

2^2203997 is an apocalyptic number.

It is an amenable number.

2203997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2203997 is an equidigital number, since it uses as much as digits as its factorization.

2203997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 2203997 is about 1484.5864744096. The cubic root of 2203997 is about 130.1378616392.

The spelling of 2203997 in words is "two million, two hundred three thousand, nine hundred ninety-seven".