30568897 has 2 divisors, whose sum is σ = 30568898. Its totient is φ = 30568896.

The previous prime is 30568861. The next prime is 30568913. The reversal of 30568897 is 79886503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17673616 + 12895281 = 4204^2 + 3591^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30568897 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30568997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15284448 + 15284449.

It is an arithmetic number, because the mean of its divisors is an integer number (15284449).

Almost surely, 2^30568897 is an apocalyptic number.

It is an amenable number.

30568897 is a deficient number, since it is larger than the sum of its proper divisors (1).

30568897 is an equidigital number, since it uses as much as digits as its factorization.

30568897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 30568897 is about 5528.9146312816. The cubic root of 30568897 is about 312.6750703296.

The spelling of 30568897 in words is "thirty million, five hundred sixty-eight thousand, eight hundred ninety-seven".