302303009 has 2 divisors, whose sum is σ = 302303010. Its totient is φ = 302303008.

The previous prime is 302303003. The next prime is 302303011. The reversal of 302303009 is 900303203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 296803984 + 5499025 = 17228^2 + 2345^2 .

It is a cyclic number.

It is not a de Polignac number, because 302303009 - 2¹⁶ = 302237473 is a prime.

Together with 302303011, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (302303003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151151504 + 151151505.

It is an arithmetic number, because the mean of its divisors is an integer number (151151505).

Almost surely, 2^302303009 is an apocalyptic number.

It is an amenable number.

302303009 is a deficient number, since it is larger than the sum of its proper divisors (1).

302303009 is an equidigital number, since it uses as much as digits as its factorization.

302303009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 20.

The square root of 302303009 is about 17386.8631155824. The cubic root of 302303009 is about 671.1415964912.

The spelling of 302303009 in words is "three hundred two million, three hundred three thousand, nine".