71159141 has 2 divisors, whose sum is σ = 71159142. Its totient is φ = 71159140.

The previous prime is 71159113. The next prime is 71159147. The reversal of 71159141 is 14195117.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65772100 + 5387041 = 8110^2 + 2321^2 .

It is a cyclic number.

It is not a de Polignac number, because 71159141 - 2¹⁸ = 70896997 is a prime.

It is a super-3 number, since 3×71159141³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71159147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35579570 + 35579571.

It is an arithmetic number, because the mean of its divisors is an integer number (35579571).

Almost surely, 2^71159141 is an apocalyptic number.

It is an amenable number.

71159141 is a deficient number, since it is larger than the sum of its proper divisors (1).

71159141 is an equidigital number, since it uses as much as digits as its factorization.

71159141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1260, while the sum is 29.

The square root of 71159141 is about 8435.5877684960. The cubic root of 71159141 is about 414.3909214885.

The spelling of 71159141 in words is "seventy-one million, one hundred fifty-nine thousand, one hundred forty-one".