30410993 has 2 divisors, whose sum is σ = 30410994. Its totient is φ = 30410992.

The previous prime is 30410959. The next prime is 30411023. The reversal of 30410993 is 39901403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27952369 + 2458624 = 5287^2 + 1568^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30410993 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 (30410903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15205496 + 15205497.

It is an arithmetic number, because the mean of its divisors is an integer number (15205497).

Almost surely, 2^30410993 is an apocalyptic number.

It is an amenable number.

30410993 is a deficient number, since it is larger than the sum of its proper divisors (1).

30410993 is an equidigital number, since it uses as much as digits as its factorization.

30410993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 30410993 is about 5514.6163057823. The cubic root of 30410993 is about 312.1357650703.

The spelling of 30410993 in words is "thirty million, four hundred ten thousand, nine hundred ninety-three".