305302001 has 2 divisors, whose sum is σ = 305302002. Its totient is φ = 305302000.

The previous prime is 305301979. The next prime is 305302003. The reversal of 305302001 is 100203503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 267159025 + 38142976 = 16345^2 + 6176^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-305302001 is a prime.

It is a Sophie Germain prime.

Together with 305302003, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (305302003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152651000 + 152651001.

It is an arithmetic number, because the mean of its divisors is an integer number (152651001).

Almost surely, 2^305302001 is an apocalyptic number.

It is an amenable number.

305302001 is a deficient number, since it is larger than the sum of its proper divisors (1).

305302001 is an equidigital number, since it uses as much as digits as its factorization.

305302001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 305302001 is about 17472.8933207984. The cubic root of 305302001 is about 673.3536473683.

Adding to 305302001 its reverse (100203503), we get a palindrome (405505504).

The spelling of 305302001 in words is "three hundred five million, three hundred two thousand, one".