30000293 has 2 divisors, whose sum is σ = 30000294. Its totient is φ = 30000292.

The previous prime is 30000287. The next prime is 30000301. The reversal of 30000293 is 39200003.

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., 22591009 + 7409284 = 4753^2 + 2722^2 .

It is a cyclic number.

It is not a de Polignac number, because 30000293 - 2⁴ = 30000277 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 (30000193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15000146 + 15000147.

It is an arithmetic number, because the mean of its divisors is an integer number (15000147).

Almost surely, 2^30000293 is an apocalyptic number.

It is an amenable number.

30000293 is a deficient number, since it is larger than the sum of its proper divisors (1).

30000293 is an equidigital number, since it uses as much as digits as its factorization.

30000293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 30000293 is about 5477.2523221046. The cubic root of 30000293 is about 310.7242621689.

Adding to 30000293 its reverse (39200003), we get a palindrome (69200296).

The spelling of 30000293 in words is "thirty million, two hundred ninety-three", and thus it is an aban number.