1305000539 has 2 divisors, whose sum is σ = 1305000540. Its totient is φ = 1305000538.

The previous prime is 1305000509. The next prime is 1305000559. The reversal of 1305000539 is 9350005031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1305000539 - 2⁸ = 1305000283 is a prime.

It is not a weakly prime, because it can be changed into another prime (1305000509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652500269 + 652500270.

It is an arithmetic number, because the mean of its divisors is an integer number (652500270).

Almost surely, 2^1305000539 is an apocalyptic number.

1305000539 is a deficient number, since it is larger than the sum of its proper divisors (1).

1305000539 is an equidigital number, since it uses as much as digits as its factorization.

1305000539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2025, while the sum is 26.

The square root of 1305000539 is about 36124.7911966284. The cubic root of 1305000539 is about 1092.7904651060.

The spelling of 1305000539 in words is "one billion, three hundred five million, five hundred thirty-nine", and thus it is an aban number.