30534293 has 2 divisors, whose sum is σ = 30534294. Its totient is φ = 30534292.

The previous prime is 30534281. The next prime is 30534313. The reversal of 30534293 is 39243503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24373969 + 6160324 = 4937^2 + 2482^2 .

It is a cyclic number.

It is not a de Polignac number, because 30534293 - 2⁴ = 30534277 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30534233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15267146 + 15267147.

It is an arithmetic number, because the mean of its divisors is an integer number (15267147).

Almost surely, 2^30534293 is an apocalyptic number.

It is an amenable number.

30534293 is a deficient number, since it is larger than the sum of its proper divisors (1).

30534293 is an equidigital number, since it uses as much as digits as its factorization.

30534293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 30534293 is about 5525.7843787104. The cubic root of 30534293 is about 312.5570430269.

Adding to 30534293 its reverse (39243503), we get a palindrome (69777796).

The spelling of 30534293 in words is "thirty million, five hundred thirty-four thousand, two hundred ninety-three".