2103473 has 2 divisors, whose sum is σ = 2103474. Its totient is φ = 2103472.

The previous prime is 2103449. The next prime is 2103503. The reversal of 2103473 is 3743012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1763584 + 339889 = 1328^2 + 583^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2103473 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2103403) 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, 1051736 + 1051737.

It is an arithmetic number, because the mean of its divisors is an integer number (1051737).

2^2103473 is an apocalyptic number.

It is an amenable number.

2103473 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103473 is an equidigital number, since it uses as much as digits as its factorization.

2103473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 2103473 is about 1450.3354784325. The cubic root of 2103473 is about 128.1284720852.

Adding to 2103473 its reverse (3743012), we get a palindrome (5846485).

The spelling of 2103473 in words is "two million, one hundred three thousand, four hundred seventy-three".