2053603 has 2 divisors, whose sum is σ = 2053604. Its totient is φ = 2053602.

The previous prime is 2053573. The next prime is 2053619. The reversal of 2053603 is 3063502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2053603 - 2⁹ = 2053091 is a prime.

It is not a weakly prime, because it can be changed into another prime (2053643) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1026801 + 1026802.

It is an arithmetic number, because the mean of its divisors is an integer number (1026802).

2^2053603 is an apocalyptic number.

2053603 is a deficient number, since it is larger than the sum of its proper divisors (1).

2053603 is an equidigital number, since it uses as much as digits as its factorization.

2053603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 2053603 is about 1433.0397761402. The cubic root of 2053603 is about 127.1077887064.

The spelling of 2053603 in words is "two million, fifty-three thousand, six hundred three".