30538049 has 2 divisors, whose sum is σ = 30538050. Its totient is φ = 30538048.

The previous prime is 30538037. The next prime is 30538063. The reversal of 30538049 is 94083503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23814400 + 6723649 = 4880^2 + 2593^2 .

It is a cyclic number.

It is not a de Polignac number, because 30538049 - 2⁴ = 30538033 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30538009) 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, 15269024 + 15269025.

It is an arithmetic number, because the mean of its divisors is an integer number (15269025).

Almost surely, 2^30538049 is an apocalyptic number.

It is an amenable number.

30538049 is a deficient number, since it is larger than the sum of its proper divisors (1).

30538049 is an equidigital number, since it uses as much as digits as its factorization.

30538049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 30538049 is about 5526.1242295120. The cubic root of 30538049 is about 312.5698583023.

The spelling of 30538049 in words is "thirty million, five hundred thirty-eight thousand, forty-nine".