30795197 has 2 divisors, whose sum is σ = 30795198. Its totient is φ = 30795196.

The previous prime is 30795161. The next prime is 30795217. The reversal of 30795197 is 79159703.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20484676 + 10310521 = 4526^2 + 3211^2 .

It is a cyclic number.

It is not a de Polignac number, because 30795197 - 2²⁴ = 14017981 is a prime.

It is a super-3 number, since 3×30795197³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30795097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15397598 + 15397599.

It is an arithmetic number, because the mean of its divisors is an integer number (15397599).

Almost surely, 2^30795197 is an apocalyptic number.

It is an amenable number.

30795197 is a deficient number, since it is larger than the sum of its proper divisors (1).

30795197 is an equidigital number, since it uses as much as digits as its factorization.

30795197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 59535, while the sum is 41.

The square root of 30795197 is about 5549.3420330702. The cubic root of 30795197 is about 313.4447467333. Note that the first 3 decimals are identical.

The spelling of 30795197 in words is "thirty million, seven hundred ninety-five thousand, one hundred ninety-seven".