2549203 has 2 divisors, whose sum is σ = 2549204. Its totient is φ = 2549202.

The previous prime is 2549191. The next prime is 2549207. The reversal of 2549203 is 3029452.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2549203 - 2⁵ = 2549171 is a prime.

It is not a weakly prime, because it can be changed into another prime (2549207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1274601 + 1274602.

It is an arithmetic number, because the mean of its divisors is an integer number (1274602).

2^2549203 is an apocalyptic number.

2549203 is a deficient number, since it is larger than the sum of its proper divisors (1).

2549203 is an equidigital number, since it uses as much as digits as its factorization.

2549203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 2549203 is about 1596.6223723849. The cubic root of 2549203 is about 136.6054858683.

Subtracting 2549203 from its reverse (3029452), we obtain a square (480249 = 693²).

The spelling of 2549203 in words is "two million, five hundred forty-nine thousand, two hundred three".