30000049 has 2 divisors, whose sum is σ = 30000050. Its totient is φ = 30000048.

The previous prime is 30000041. The next prime is 30000059. The reversal of 30000049 is 94000003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24206400 + 5793649 = 4920^2 + 2407^2 .

It is a cyclic number.

It is not a de Polignac number, because 30000049 - 2³ = 30000041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29999987 and 30000041.

It is not a weakly prime, because it can be changed into another prime (30000041) 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, 15000024 + 15000025.

It is an arithmetic number, because the mean of its divisors is an integer number (15000025).

Almost surely, 2^30000049 is an apocalyptic number.

It is an amenable number.

30000049 is a deficient number, since it is larger than the sum of its proper divisors (1).

30000049 is an equidigital number, since it uses as much as digits as its factorization.

30000049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 30000049 is about 5477.2300481174. The cubic root of 30000049 is about 310.7234197668.

The spelling of 30000049 in words is "thirty million, forty-nine", and thus it is an aban number and an uban number.