30994597 has 2 divisors, whose sum is σ = 30994598. Its totient is φ = 30994596.

The previous prime is 30994589. The next prime is 30994603. The reversal of 30994597 is 79549903.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27050401 + 3944196 = 5201^2 + 1986^2 .

It is a cyclic number.

It is not a de Polignac number, because 30994597 - 2³ = 30994589 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 (30994297) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15497298 + 15497299.

It is an arithmetic number, because the mean of its divisors is an integer number (15497299).

Almost surely, 2^30994597 is an apocalyptic number.

It is an amenable number.

30994597 is a deficient number, since it is larger than the sum of its proper divisors (1).

30994597 is an equidigital number, since it uses as much as digits as its factorization.

30994597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 306180, while the sum is 46.

The square root of 30994597 is about 5567.2791379632. The cubic root of 30994597 is about 314.1198137705.

The spelling of 30994597 in words is "thirty million, nine hundred ninety-four thousand, five hundred ninety-seven".