30413849 has 2 divisors, whose sum is σ = 30413850. Its totient is φ = 30413848.

The previous prime is 30413839. The next prime is 30413861. The reversal of 30413849 is 94831403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26708224 + 3705625 = 5168^2 + 1925^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30413849 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (30413809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15206924 + 15206925.

It is an arithmetic number, because the mean of its divisors is an integer number (15206925).

Almost surely, 2^30413849 is an apocalyptic number.

It is an amenable number.

30413849 is a deficient number, since it is larger than the sum of its proper divisors (1).

30413849 is an equidigital number, since it uses as much as digits as its factorization.

30413849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 30413849 is about 5514.8752479091. The cubic root of 30413849 is about 312.1455360089.

The spelling of 30413849 in words is "thirty million, four hundred thirteen thousand, eight hundred forty-nine".