1963103 has 2 divisors, whose sum is σ = 1963104. Its totient is φ = 1963102.

The previous prime is 1963081. The next prime is 1963111. The reversal of 1963103 is 3013691.

It is a strong prime.

It is an emirp because it is prime and its reverse (3013691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1963103 - 2⁸ = 1962847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1963133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 981551 + 981552.

It is an arithmetic number, because the mean of its divisors is an integer number (981552).

2^1963103 is an apocalyptic number.

1963103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1963103 is an equidigital number, since it uses as much as digits as its factorization.

1963103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 1963103 is about 1401.1077760115. The cubic root of 1963103 is about 125.2125025367.

Adding to 1963103 its reverse (3013691), we get a palindrome (4976794).

The spelling of 1963103 in words is "one million, nine hundred sixty-three thousand, one hundred three".