30132209 has 2 divisors, whose sum is σ = 30132210. Its totient is φ = 30132208.

The previous prime is 30132203. The next prime is 30132251. The reversal of 30132209 is 90223103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29669809 + 462400 = 5447^2 + 680^2 .

It is an emirp because it is prime and its reverse (90223103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30132209 - 2⁸ = 30131953 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (30132203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15066104 + 15066105.

It is an arithmetic number, because the mean of its divisors is an integer number (15066105).

Almost surely, 2^30132209 is an apocalyptic number.

It is an amenable number.

30132209 is a deficient number, since it is larger than the sum of its proper divisors (1).

30132209 is an equidigital number, since it uses as much as digits as its factorization.

30132209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 30132209 is about 5489.2812826453. The cubic root of 30132209 is about 311.1790307163.

The spelling of 30132209 in words is "thirty million, one hundred thirty-two thousand, two hundred nine".