305000207 has 2 divisors, whose sum is σ = 305000208. Its totient is φ = 305000206.

The previous prime is 305000197. The next prime is 305000209. The reversal of 305000207 is 702000503.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 305000207 - 2⁴ = 305000191 is a prime.

Together with 305000209, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (305000209) 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, 152500103 + 152500104.

It is an arithmetic number, because the mean of its divisors is an integer number (152500104).

Almost surely, 2^305000207 is an apocalyptic number.

305000207 is a deficient number, since it is larger than the sum of its proper divisors (1).

305000207 is an equidigital number, since it uses as much as digits as its factorization.

305000207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 210, while the sum is 17.

The square root of 305000207 is about 17464.2551229647. The cubic root of 305000207 is about 673.1317020087.

The spelling of 305000207 in words is "three hundred five million, two hundred seven", and thus it is an aban number.