2063603 has 2 divisors, whose sum is σ = 2063604. Its totient is φ = 2063602.

The previous prime is 2063597. The next prime is 2063617. The reversal of 2063603 is 3063602.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2063603 - 2⁴ = 2063587 is a prime.

It is not a weakly prime, because it can be changed into another prime (2063693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1031801 + 1031802.

It is an arithmetic number, because the mean of its divisors is an integer number (1031802).

2^2063603 is an apocalyptic number.

2063603 is a deficient number, since it is larger than the sum of its proper divisors (1).

2063603 is an equidigital number, since it uses as much as digits as its factorization.

2063603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 2063603 is about 1436.5246256156. The cubic root of 2063603 is about 127.3137714407.

Subtracting 2063603 from its reverse (3063602), we obtain a palindrome (999999).

The spelling of 2063603 in words is "two million, sixty-three thousand, six hundred three".