71601197 has 2 divisors, whose sum is σ = 71601198. Its totient is φ = 71601196.

The previous prime is 71601169. The next prime is 71601209. The reversal of 71601197 is 79110617.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63138916 + 8462281 = 7946^2 + 2909^2 .

It is a cyclic number.

It is not a de Polignac number, because 71601197 - 2¹⁶ = 71535661 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71601797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35800598 + 35800599.

It is an arithmetic number, because the mean of its divisors is an integer number (35800599).

Almost surely, 2^71601197 is an apocalyptic number.

It is an amenable number.

71601197 is a deficient number, since it is larger than the sum of its proper divisors (1).

71601197 is an equidigital number, since it uses as much as digits as its factorization.

71601197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2646, while the sum is 32.

The square root of 71601197 is about 8461.7490508759. The cubic root of 71601197 is about 415.2472460972.

The spelling of 71601197 in words is "seventy-one million, six hundred one thousand, one hundred ninety-seven".