71010197 has 2 divisors, whose sum is σ = 71010198. Its totient is φ = 71010196.

The previous prime is 71010193. The next prime is 71010221. The reversal of 71010197 is 79101017.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60310756 + 10699441 = 7766^2 + 3271^2 .

It is a cyclic number.

It is not a de Polignac number, because 71010197 - 2² = 71010193 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71010193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35505098 + 35505099.

It is an arithmetic number, because the mean of its divisors is an integer number (35505099).

Almost surely, 2^71010197 is an apocalyptic number.

It is an amenable number.

71010197 is a deficient number, since it is larger than the sum of its proper divisors (1).

71010197 is an equidigital number, since it uses as much as digits as its factorization.

71010197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 441, while the sum is 26.

The square root of 71010197 is about 8426.7548320810. The cubic root of 71010197 is about 414.1015974293.

The spelling of 71010197 in words is "seventy-one million, ten thousand, one hundred ninety-seven".