30135229 has 2 divisors, whose sum is σ = 30135230. Its totient is φ = 30135228.

The previous prime is 30135227. The next prime is 30135251. The reversal of 30135229 is 92253103.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29648025 + 487204 = 5445^2 + 698^2 .

It is a cyclic number.

It is not a de Polignac number, because 30135229 - 2¹ = 30135227 is a prime.

Together with 30135227, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30135227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15067614 + 15067615.

It is an arithmetic number, because the mean of its divisors is an integer number (15067615).

Almost surely, 2^30135229 is an apocalyptic number.

It is an amenable number.

30135229 is a deficient number, since it is larger than the sum of its proper divisors (1).

30135229 is an equidigital number, since it uses as much as digits as its factorization.

30135229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 30135229 is about 5489.5563573025. The cubic root of 30135229 is about 311.1894263396.

The spelling of 30135229 in words is "thirty million, one hundred thirty-five thousand, two hundred twenty-nine".