30509093 has 2 divisors, whose sum is σ = 30509094. Its totient is φ = 30509092.

The previous prime is 30509051. The next prime is 30509099. The reversal of 30509093 is 39090503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24930049 + 5579044 = 4993^2 + 2362^2 .

It is an emirp because it is prime and its reverse (39090503) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30509093 - 2⁶ = 30509029 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30509099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15254546 + 15254547.

It is an arithmetic number, because the mean of its divisors is an integer number (15254547).

Almost surely, 2^30509093 is an apocalyptic number.

It is an amenable number.

30509093 is a deficient number, since it is larger than the sum of its proper divisors (1).

30509093 is an equidigital number, since it uses as much as digits as its factorization.

30509093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3645, while the sum is 29.

The square root of 30509093 is about 5523.5036887831. The cubic root of 30509093 is about 312.4710347553.

Adding to 30509093 its reverse (39090503), we get a palindrome (69599596).

The spelling of 30509093 in words is "thirty million, five hundred nine thousand, ninety-three".