30332993 has 2 divisors, whose sum is σ = 30332994. Its totient is φ = 30332992.

The previous prime is 30332969. The next prime is 30333011. The reversal of 30332993 is 39923303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28912129 + 1420864 = 5377^2 + 1192^2 .

It is a cyclic number.

It is not a de Polignac number, because 30332993 - 2¹⁰ = 30331969 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (30332923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15166496 + 15166497.

It is an arithmetic number, because the mean of its divisors is an integer number (15166497).

Almost surely, 2^30332993 is an apocalyptic number.

It is an amenable number.

30332993 is a deficient number, since it is larger than the sum of its proper divisors (1).

30332993 is an equidigital number, since it uses as much as digits as its factorization.

30332993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13122, while the sum is 32.

The square root of 30332993 is about 5507.5396503339. The cubic root of 30332993 is about 311.8686748703.

The spelling of 30332993 in words is "thirty million, three hundred thirty-two thousand, nine hundred ninety-three".