6500003 has 2 divisors, whose sum is σ = 6500004. Its totient is φ = 6500002.

The previous prime is 6499991. The next prime is 6500023. The reversal of 6500003 is 3000056.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6500003 - 2⁶ = 6499939 is a prime.

It is not a weakly prime, because it can be changed into another prime (6500023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3250001 + 3250002.

It is an arithmetic number, because the mean of its divisors is an integer number (3250002).

Almost surely, 2^6500003 is an apocalyptic number.

6500003 is a deficient number, since it is larger than the sum of its proper divisors (1).

6500003 is an equidigital number, since it uses as much as digits as its factorization.

6500003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 6500003 is about 2549.5103451447. The cubic root of 6500003 is about 186.6255865525.

Adding to 6500003 its reverse (3000056), we get a palindrome (9500059).

The spelling of 6500003 in words is "six million, five hundred thousand, three".