671845103 has 2 divisors, whose sum is σ = 671845104. Its totient is φ = 671845102.

The previous prime is 671845081. The next prime is 671845121. The reversal of 671845103 is 301548176.

671845103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 671845103 - 2⁸ = 671844847 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (671845133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335922551 + 335922552.

It is an arithmetic number, because the mean of its divisors is an integer number (335922552).

Almost surely, 2^671845103 is an apocalyptic number.

671845103 is a deficient number, since it is larger than the sum of its proper divisors (1).

671845103 is an equidigital number, since it uses as much as digits as its factorization.

671845103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 671845103 is about 25919.9749806978. The cubic root of 671845103 is about 875.8365237608.

The spelling of 671845103 in words is "six hundred seventy-one million, eight hundred forty-five thousand, one hundred three".