30052409 has 2 divisors, whose sum is σ = 30052410. Its totient is φ = 30052408.

The previous prime is 30052369. The next prime is 30052427. The reversal of 30052409 is 90425003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24157225 + 5895184 = 4915^2 + 2428^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30052409 is a prime.

It is not a weakly prime, because it can be changed into another prime (30052709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15026204 + 15026205.

It is an arithmetic number, because the mean of its divisors is an integer number (15026205).

Almost surely, 2^30052409 is an apocalyptic number.

It is an amenable number.

30052409 is a deficient number, since it is larger than the sum of its proper divisors (1).

30052409 is an equidigital number, since it uses as much as digits as its factorization.

30052409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 30052409 is about 5482.0077526395. The cubic root of 30052409 is about 310.9040863853.

The spelling of 30052409 in words is "thirty million, fifty-two thousand, four hundred nine".