30135559 has 2 divisors, whose sum is σ = 30135560. Its totient is φ = 30135558.

The previous prime is 30135517. The next prime is 30135569. The reversal of 30135559 is 95553103.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30135559 - 2⁹ = 30135047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30135559.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30135569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15067779 + 15067780.

It is an arithmetic number, because the mean of its divisors is an integer number (15067780).

Almost surely, 2^30135559 is an apocalyptic number.

30135559 is a deficient number, since it is larger than the sum of its proper divisors (1).

30135559 is an equidigital number, since it uses as much as digits as its factorization.

30135559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10125, while the sum is 31.

The square root of 30135559 is about 5489.5864142939. The cubic root of 30135559 is about 311.1905622431.

The spelling of 30135559 in words is "thirty million, one hundred thirty-five thousand, five hundred fifty-nine".