71100097 has 2 divisors, whose sum is σ = 71100098. Its totient is φ = 71100096.

The previous prime is 71100091. The next prime is 71100121. The reversal of 71100097 is 79000117.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52403121 + 18696976 = 7239^2 + 4324^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71100097 is a prime.

It is not a weakly prime, because it can be changed into another prime (71100091) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35550048 + 35550049.

It is an arithmetic number, because the mean of its divisors is an integer number (35550049).

Almost surely, 2^71100097 is an apocalyptic number.

It is an amenable number.

71100097 is a deficient number, since it is larger than the sum of its proper divisors (1).

71100097 is an equidigital number, since it uses as much as digits as its factorization.

71100097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 441, while the sum is 25.

The square root of 71100097 is about 8432.0873453730. The cubic root of 71100097 is about 414.2762767286.

The spelling of 71100097 in words is "seventy-one million, one hundred thousand, ninety-seven".