30958097 has 2 divisors, whose sum is σ = 30958098. Its totient is φ = 30958096.

The previous prime is 30958091. The next prime is 30958127. The reversal of 30958097 is 79085903.

It is a Cunningham number, because it is equal to 5564²+1.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30958096 + 1 = 5564^2 + 1^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30958097 is a prime.

It is a super-2 number, since 2×30958097² = 1916807539722818, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30958091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15479048 + 15479049.

It is an arithmetic number, because the mean of its divisors is an integer number (15479049).

Almost surely, 2^30958097 is an apocalyptic number.

It is an amenable number.

30958097 is a deficient number, since it is larger than the sum of its proper divisors (1).

30958097 is an equidigital number, since it uses as much as digits as its factorization.

30958097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 30958097 is about 5564.0000898634. Note that the first 4 decimals coincide. The cubic root of 30958097 is about 313.9964602627.

The spelling of 30958097 in words is "thirty million, nine hundred fifty-eight thousand, ninety-seven".