7171300861 has 2 divisors, whose sum is σ = 7171300862. Its totient is φ = 7171300860.

The previous prime is 7171300841. The next prime is 7171301009. The reversal of 7171300861 is 1680031717.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6237998361 + 933302500 = 78981^2 + 30550^2 .

It is a cyclic number.

It is not a de Polignac number, because 7171300861 - 2¹⁹ = 7170776573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7171300841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3585650430 + 3585650431.

It is an arithmetic number, because the mean of its divisors is an integer number (3585650431).

Almost surely, 2^7171300861 is an apocalyptic number.

It is an amenable number.

7171300861 is a deficient number, since it is larger than the sum of its proper divisors (1).

7171300861 is an equidigital number, since it uses as much as digits as its factorization.

7171300861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 7171300861 is about 84683.5335882957. The cubic root of 7171300861 is about 1928.4097311222.

The spelling of 7171300861 in words is "seven billion, one hundred seventy-one million, three hundred thousand, eight hundred sixty-one".