30320629 has 2 divisors, whose sum is σ = 30320630. Its totient is φ = 30320628.

The previous prime is 30320627. The next prime is 30320651. The reversal of 30320629 is 92602303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23571025 + 6749604 = 4855^2 + 2598^2 .

It is a cyclic number.

It is not a de Polignac number, because 30320629 - 2¹ = 30320627 is a prime.

Together with 30320627, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30320627) 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, 15160314 + 15160315.

It is an arithmetic number, because the mean of its divisors is an integer number (15160315).

Almost surely, 2^30320629 is an apocalyptic number.

It is an amenable number.

30320629 is a deficient number, since it is larger than the sum of its proper divisors (1).

30320629 is an equidigital number, since it uses as much as digits as its factorization.

30320629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 30320629 is about 5506.4170746503. The cubic root of 30320629 is about 311.8262956221.

The spelling of 30320629 in words is "thirty million, three hundred twenty thousand, six hundred twenty-nine".