6523081603 has 2 divisors, whose sum is σ = 6523081604. Its totient is φ = 6523081602.

The previous prime is 6523081571. The next prime is 6523081613. The reversal of 6523081603 is 3061803256.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6523081603 - 2⁵ = 6523081571 is a prime.

It is not a weakly prime, because it can be changed into another prime (6523081613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3261540801 + 3261540802.

It is an arithmetic number, because the mean of its divisors is an integer number (3261540802).

Almost surely, 2^6523081603 is an apocalyptic number.

6523081603 is a deficient number, since it is larger than the sum of its proper divisors (1).

6523081603 is an equidigital number, since it uses as much as digits as its factorization.

6523081603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 6523081603 is about 80765.5966547638. The cubic root of 6523081603 is about 1868.4620031601.

Adding to 6523081603 its reverse (3061803256), we get a palindrome (9584884859).

The spelling of 6523081603 in words is "six billion, five hundred twenty-three million, eighty-one thousand, six hundred three".