2115203 has 2 divisors, whose sum is σ = 2115204. Its totient is φ = 2115202.

The previous prime is 2115193. The next prime is 2115221. The reversal of 2115203 is 3025112.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2115203 - 2⁴ = 2115187 is a prime.

It is not a weakly prime, because it can be changed into another prime (2115233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1057601 + 1057602.

It is an arithmetic number, because the mean of its divisors is an integer number (1057602).

2^2115203 is an apocalyptic number.

2115203 is a deficient number, since it is larger than the sum of its proper divisors (1).

2115203 is an equidigital number, since it uses as much as digits as its factorization.

2115203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 2115203 is about 1454.3737483879. The cubic root of 2115203 is about 128.3661998615.

Subtracting 2115203 from its reverse (3025112), we obtain a palindrome (909909).

The spelling of 2115203 in words is "two million, one hundred fifteen thousand, two hundred three".