300242639 has 2 divisors, whose sum is σ = 300242640. Its totient is φ = 300242638.

The previous prime is 300242603. The next prime is 300242647. The reversal of 300242639 is 936242003.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 300242639 - 2²⁴ = 283465423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (300242659) 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, 150121319 + 150121320.

It is an arithmetic number, because the mean of its divisors is an integer number (150121320).

Almost surely, 2^300242639 is an apocalyptic number.

300242639 is a deficient number, since it is larger than the sum of its proper divisors (1).

300242639 is an equidigital number, since it uses as much as digits as its factorization.

300242639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 300242639 is about 17327.5110445788. The cubic root of 300242639 is about 669.6133798268.

The spelling of 300242639 in words is "three hundred million, two hundred forty-two thousand, six hundred thirty-nine".