30150205 has 4 divisors (see below), whose sum is σ = 36180252. Its totient is φ = 24120160.

The previous prime is 30150191. The next prime is 30150209. The reversal of 30150205 is 50205103.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18610596 + 11539609 = 4314^2 + 3397^2 .

It is not a de Polignac number, because 30150205 - 2⁵ = 30150173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30150209) 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 3 ways as a sum of consecutive naturals, for example, 3015016 + ... + 3015025.

It is an arithmetic number, because the mean of its divisors is an integer number (9045063).

Almost surely, 2^30150205 is an apocalyptic number.

It is an amenable number.

30150205 is a deficient number, since it is larger than the sum of its proper divisors (6030047).

30150205 is an equidigital number, since it uses as much as digits as its factorization.

30150205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6030046.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 30150205 is about 5490.9202325293. The cubic root of 30150205 is about 311.2409673567.

Adding to 30150205 its reverse (50205103), we get a palindrome (80355308).

The spelling of 30150205 in words is "thirty million, one hundred fifty thousand, two hundred five".