30009245 has 8 divisors (see below), whose sum is σ = 41155584. Its totient is φ = 20577744.

The previous prime is 30009241. The next prime is 30009269. The reversal of 30009245 is 54290003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30009245 - 2² = 30009241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30009245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30009241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428669 + ... + 428738.

It is an arithmetic number, because the mean of its divisors is an integer number (5144448).

Almost surely, 2^30009245 is an apocalyptic number.

30009245 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30009245 is a deficient number, since it is larger than the sum of its proper divisors (11146339).

30009245 is an equidigital number, since it uses as much as digits as its factorization.

30009245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857419.

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

The square root of 30009245 is about 5478.0694592164. The cubic root of 30009245 is about 310.7551655000.

Adding to 30009245 its reverse (54290003), we get a palindrome (84299248).

The spelling of 30009245 in words is "thirty million, nine thousand, two hundred forty-five".