30232009 has 2 divisors, whose sum is σ = 30232010. Its totient is φ = 30232008.

The previous prime is 30231991. The next prime is 30232039. The reversal of 30232009 is 90023203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27092025 + 3139984 = 5205^2 + 1772^2 .

It is a cyclic number.

It is not a de Polignac number, because 30232009 - 2⁵ = 30231977 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30232039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15116004 + 15116005.

It is an arithmetic number, because the mean of its divisors is an integer number (15116005).

Almost surely, 2^30232009 is an apocalyptic number.

It is an amenable number.

30232009 is a deficient number, since it is larger than the sum of its proper divisors (1).

30232009 is an equidigital number, since it uses as much as digits as its factorization.

30232009 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 19.

The square root of 30232009 is about 5498.3642112905. The cubic root of 30232009 is about 311.5222010874.

The spelling of 30232009 in words is "thirty million, two hundred thirty-two thousand, nine".