30355069 has 2 divisors, whose sum is σ = 30355070. Its totient is φ = 30355068.

The previous prime is 30355051. The next prime is 30355109. The reversal of 30355069 is 96055303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29571844 + 783225 = 5438^2 + 885^2 .

It is an emirp because it is prime and its reverse (96055303) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30355069 - 2⁵ = 30355037 is a prime.

It is a super-2 number, since 2×30355069² = 1842860427989522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30355069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30355019) 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, 15177534 + 15177535.

It is an arithmetic number, because the mean of its divisors is an integer number (15177535).

Almost surely, 2^30355069 is an apocalyptic number.

It is an amenable number.

30355069 is a deficient number, since it is larger than the sum of its proper divisors (1).

30355069 is an equidigital number, since it uses as much as digits as its factorization.

30355069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12150, while the sum is 31.

The square root of 30355069 is about 5509.5434475100. The cubic root of 30355069 is about 311.9443146565.

The spelling of 30355069 in words is "thirty million, three hundred fifty-five thousand, sixty-nine".