30050197 has 2 divisors, whose sum is σ = 30050198. Its totient is φ = 30050196.

The previous prime is 30050173. The next prime is 30050219. The reversal of 30050197 is 79105003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30041361 + 8836 = 5481^2 + 94^2 .

It is an emirp because it is prime and its reverse (79105003) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30050197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30050107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15025098 + 15025099.

It is an arithmetic number, because the mean of its divisors is an integer number (15025099).

Almost surely, 2^30050197 is an apocalyptic number.

It is an amenable number.

30050197 is a deficient number, since it is larger than the sum of its proper divisors (1).

30050197 is an equidigital number, since it uses as much as digits as its factorization.

30050197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 945, while the sum is 25.

The square root of 30050197 is about 5481.8059980266. The cubic root of 30050197 is about 310.8964581925.

The spelling of 30050197 in words is "thirty million, fifty thousand, one hundred ninety-seven".