307030049 has 2 divisors, whose sum is σ = 307030050. Its totient is φ = 307030048.

The previous prime is 307030027. The next prime is 307030051. The reversal of 307030049 is 940030703.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 169390225 + 137639824 = 13015^2 + 11732^2 .

It is a cyclic number.

It is not a de Polignac number, because 307030049 - 2²⁸ = 38594593 is a prime.

Together with 307030051, 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 (307030079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153515024 + 153515025.

It is an arithmetic number, because the mean of its divisors is an integer number (153515025).

Almost surely, 2^307030049 is an apocalyptic number.

It is an amenable number.

307030049 is a deficient number, since it is larger than the sum of its proper divisors (1).

307030049 is an equidigital number, since it uses as much as digits as its factorization.

307030049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 307030049 is about 17522.2729404607. The cubic root of 307030049 is about 674.6216802739.

The spelling of 307030049 in words is "three hundred seven million, thirty thousand, forty-nine".