30042049 has 2 divisors, whose sum is σ = 30042050. Its totient is φ = 30042048.

The previous prime is 30042037. The next prime is 30042101. The reversal of 30042049 is 94024003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23590449 + 6451600 = 4857^2 + 2540^2 .

It is a cyclic number.

It is not a de Polignac number, because 30042049 - 2⁹ = 30041537 is a prime.

It is not a weakly prime, because it can be changed into another prime (30042449) 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, 15021024 + 15021025.

It is an arithmetic number, because the mean of its divisors is an integer number (15021025).

Almost surely, 2^30042049 is an apocalyptic number.

It is an amenable number.

30042049 is a deficient number, since it is larger than the sum of its proper divisors (1).

30042049 is an equidigital number, since it uses as much as digits as its factorization.

30042049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 30042049 is about 5481.0627619103. The cubic root of 30042049 is about 310.8683561767.

The spelling of 30042049 in words is "thirty million, forty-two thousand, forty-nine".