30650947 has 2 divisors, whose sum is σ = 30650948. Its totient is φ = 30650946.

The previous prime is 30650897. The next prime is 30650957. The reversal of 30650947 is 74905603.

It is a strong prime.

It is an emirp because it is prime and its reverse (74905603) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30650947 - 2¹¹ = 30648899 is a prime.

It is not a weakly prime, because it can be changed into another prime (30650957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15325473 + 15325474.

It is an arithmetic number, because the mean of its divisors is an integer number (15325474).

Almost surely, 2^30650947 is an apocalyptic number.

30650947 is a deficient number, since it is larger than the sum of its proper divisors (1).

30650947 is an equidigital number, since it uses as much as digits as its factorization.

30650947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 30650947 is about 5536.3297409024. The cubic root of 30650947 is about 312.9545708751.

The spelling of 30650947 in words is "thirty million, six hundred fifty thousand, nine hundred forty-seven".