302020349 has 2 divisors, whose sum is σ = 302020350. Its totient is φ = 302020348.

The previous prime is 302020331. The next prime is 302020357. The reversal of 302020349 is 943020203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 230736100 + 71284249 = 15190^2 + 8443^2 .

It is an emirp because it is prime and its reverse (943020203) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-302020349 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (302020319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151010174 + 151010175.

It is an arithmetic number, because the mean of its divisors is an integer number (151010175).

Almost surely, 2^302020349 is an apocalyptic number.

It is an amenable number.

302020349 is a deficient number, since it is larger than the sum of its proper divisors (1).

302020349 is an equidigital number, since it uses as much as digits as its factorization.

302020349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 302020349 is about 17378.7326638049. The cubic root of 302020349 is about 670.9323538496.

The spelling of 302020349 in words is "three hundred two million, twenty thousand, three hundred forty-nine".