305330629 has 2 divisors, whose sum is σ = 305330630. Its totient is φ = 305330628.

The previous prime is 305330621. The next prime is 305330653. The reversal of 305330629 is 926033503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 292478404 + 12852225 = 17102^2 + 3585^2 .

It is a cyclic number.

It is not a de Polignac number, because 305330629 - 2³ = 305330621 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 305330629.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (305330621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152665314 + 152665315.

It is an arithmetic number, because the mean of its divisors is an integer number (152665315).

Almost surely, 2^305330629 is an apocalyptic number.

It is an amenable number.

305330629 is a deficient number, since it is larger than the sum of its proper divisors (1).

305330629 is an equidigital number, since it uses as much as digits as its factorization.

305330629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 31.

The square root of 305330629 is about 17473.7125133728. The cubic root of 305330629 is about 673.3746933770.

The spelling of 305330629 in words is "three hundred five million, three hundred thirty thousand, six hundred twenty-nine".