6545003 has 2 divisors, whose sum is σ = 6545004. Its totient is φ = 6545002.

The previous prime is 6544943. The next prime is 6545027. The reversal of 6545003 is 3005456.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6545003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6545003.

It is not a weakly prime, because it can be changed into another prime (6545053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3272501 + 3272502.

It is an arithmetic number, because the mean of its divisors is an integer number (3272502).

Almost surely, 2^6545003 is an apocalyptic number.

6545003 is a deficient number, since it is larger than the sum of its proper divisors (1).

6545003 is an equidigital number, since it uses as much as digits as its factorization.

6545003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 6545003 is about 2558.3203474155. The cubic root of 6545003 is about 187.0552707261.

The spelling of 6545003 in words is "six million, five hundred forty-five thousand, three".