30606197 has 2 divisors, whose sum is σ = 30606198. Its totient is φ = 30606196.

The previous prime is 30606193. The next prime is 30606217. The reversal of 30606197 is 79160603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30019441 + 586756 = 5479^2 + 766^2 .

It is a cyclic number.

It is not a de Polignac number, because 30606197 - 2² = 30606193 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30606193) 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, 15303098 + 15303099.

It is an arithmetic number, because the mean of its divisors is an integer number (15303099).

Almost surely, 2^30606197 is an apocalyptic number.

It is an amenable number.

30606197 is a deficient number, since it is larger than the sum of its proper divisors (1).

30606197 is an equidigital number, since it uses as much as digits as its factorization.

30606197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 30606197 is about 5532.2867785392. The cubic root of 30606197 is about 312.8021934390.

It can be divided in two parts, 30606 and 197, that added together give a palindrome (30803).

The spelling of 30606197 in words is "thirty million, six hundred six thousand, one hundred ninety-seven".