30363997 has 2 divisors, whose sum is σ = 30363998. Its totient is φ = 30363996.

The previous prime is 30363967. The next prime is 30364069. The reversal of 30363997 is 79936303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30316036 + 47961 = 5506^2 + 219^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30363997 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 (30363917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15181998 + 15181999.

It is an arithmetic number, because the mean of its divisors is an integer number (15181999).

Almost surely, 2^30363997 is an apocalyptic number.

It is an amenable number.

30363997 is a deficient number, since it is larger than the sum of its proper divisors (1).

30363997 is an equidigital number, since it uses as much as digits as its factorization.

30363997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 91854, while the sum is 40.

The square root of 30363997 is about 5510.3536184169. The cubic root of 30363997 is about 311.9748945666.

The spelling of 30363997 in words is "thirty million, three hundred sixty-three thousand, nine hundred ninety-seven".