1305320525203 has 2 divisors, whose sum is σ = 1305320525204. Its totient is φ = 1305320525202.

The previous prime is 1305320525191. The next prime is 1305320525231. The reversal of 1305320525203 is 3025250235031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1305320525203 - 2³³ = 1296730590611 is a prime.

It is not a weakly prime, because it can be changed into another prime (1305320525293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652660262601 + 652660262602.

It is an arithmetic number, because the mean of its divisors is an integer number (652660262602).

Almost surely, 2^{1305320525203} is an apocalyptic number.

1305320525203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1305320525203 is an equidigital number, since it uses as much as digits as its factorization.

1305320525203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27000, while the sum is 31.

The spelling of 1305320525203 in words is "one trillion, three hundred five billion, three hundred twenty million, five hundred twenty-five thousand, two hundred three".