30324989 has 2 divisors, whose sum is σ = 30324990. Its totient is φ = 30324988.

The previous prime is 30324979. The next prime is 30325027. The reversal of 30324989 is 98942303.

It is an a-pointer prime, because the next prime (30325027) can be obtained adding 30324989 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23863225 + 6461764 = 4885^2 + 2542^2 .

It is an emirp because it is prime and its reverse (98942303) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30324989 - 2⁸ = 30324733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30324929) 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, 15162494 + 15162495.

It is an arithmetic number, because the mean of its divisors is an integer number (15162495).

Almost surely, 2^30324989 is an apocalyptic number.

It is an amenable number.

30324989 is a deficient number, since it is larger than the sum of its proper divisors (1).

30324989 is an equidigital number, since it uses as much as digits as its factorization.

30324989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 30324989 is about 5506.8129621406. The cubic root of 30324989 is about 311.8412414146.

It can be divided in two parts, 30324 and 989, that added together give a palindrome (31313).

The spelling of 30324989 in words is "thirty million, three hundred twenty-four thousand, nine hundred eighty-nine".