30349409 has 2 divisors, whose sum is σ = 30349410. Its totient is φ = 30349408.

The previous prime is 30349381. The next prime is 30349433. The reversal of 30349409 is 90494303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18515809 + 11833600 = 4303^2 + 3440^2 .

It is a cyclic number.

It is not a de Polignac number, because 30349409 - 2⁸ = 30349153 is a prime.

It is not a weakly prime, because it can be changed into another prime (30349439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15174704 + 15174705.

It is an arithmetic number, because the mean of its divisors is an integer number (15174705).

Almost surely, 2^30349409 is an apocalyptic number.

It is an amenable number.

30349409 is a deficient number, since it is larger than the sum of its proper divisors (1).

30349409 is an equidigital number, since it uses as much as digits as its factorization.

30349409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 30349409 is about 5509.0297693877. The cubic root of 30349409 is about 311.9249250935.

The spelling of 30349409 in words is "thirty million, three hundred forty-nine thousand, four hundred nine".