30917069 has 2 divisors, whose sum is σ = 30917070. Its totient is φ = 30917068.

The previous prime is 30917039. The next prime is 30917071. The reversal of 30917069 is 96071903.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17682025 + 13235044 = 4205^2 + 3638^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30917069 is a prime.

It is a super-2 number, since 2×30917069² = 1911730311101522, which contains 22 as substring.

Together with 30917071, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30917039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15458534 + 15458535.

It is an arithmetic number, because the mean of its divisors is an integer number (15458535).

Almost surely, 2^30917069 is an apocalyptic number.

It is an amenable number.

30917069 is a deficient number, since it is larger than the sum of its proper divisors (1).

30917069 is an equidigital number, since it uses as much as digits as its factorization.

30917069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 30917069 is about 5560.3119516804. The cubic root of 30917069 is about 313.8576883610.

The spelling of 30917069 in words is "thirty million, nine hundred seventeen thousand, sixty-nine".