30352609 has 12 divisors (see below), whose sum is σ = 35910000. Its totient is φ = 25573128.

The previous prime is 30352607. The next prime is 30352631. The reversal of 30352609 is 90625303.

It is not a de Polignac number, because 30352609 - 2¹ = 30352607 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30352603) 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 in 11 ways as a sum of consecutive naturals, for example, 2359 + ... + 8140.

It is an arithmetic number, because the mean of its divisors is an integer number (2992500).

Almost surely, 2^30352609 is an apocalyptic number.

It is an amenable number.

30352609 is a deficient number, since it is larger than the sum of its proper divisors (5557391).

30352609 is a wasteful number, since it uses less digits than its factorization.

30352609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10572 (or 10565 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 30352609 is about 5509.3201939985. The cubic root of 30352609 is about 311.9358876868.

The spelling of 30352609 in words is "thirty million, three hundred fifty-two thousand, six hundred nine".