30975017 has 2 divisors, whose sum is σ = 30975018. Its totient is φ = 30975016.

The previous prime is 30974981. The next prime is 30975023. The reversal of 30975017 is 71057903.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16679056 + 14295961 = 4084^2 + 3781^2 .

It is a cyclic number.

It is not a de Polignac number, because 30975017 - 2⁶ = 30974953 is a prime.

It is a Chen prime.

It is equal to p_1914548 and since 30975017 and 1914548 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (30975047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15487508 + 15487509.

It is an arithmetic number, because the mean of its divisors is an integer number (15487509).

Almost surely, 2^30975017 is an apocalyptic number.

It is an amenable number.

30975017 is a deficient number, since it is larger than the sum of its proper divisors (1).

30975017 is an equidigital number, since it uses as much as digits as its factorization.

30975017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6615, while the sum is 32.

The square root of 30975017 is about 5565.5203709986. The cubic root of 30975017 is about 314.0536542660.

The spelling of 30975017 in words is "thirty million, nine hundred seventy-five thousand, seventeen".