5171029561 has 2 divisors, whose sum is σ = 5171029562. Its totient is φ = 5171029560.

The previous prime is 5171029529. The next prime is 5171029601. The reversal of 5171029561 is 1659201715.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5075850025 + 95179536 = 71245^2 + 9756^2 .

It is a cyclic number.

It is not a de Polignac number, because 5171029561 - 2⁵ = 5171029529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5171029561.

It is not a weakly prime, because it can be changed into another prime (5171029261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2585514780 + 2585514781.

It is an arithmetic number, because the mean of its divisors is an integer number (2585514781).

Almost surely, 2^5171029561 is an apocalyptic number.

It is an amenable number.

5171029561 is a deficient number, since it is larger than the sum of its proper divisors (1).

5171029561 is an equidigital number, since it uses as much as digits as its factorization.

5171029561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 37.

The square root of 5171029561 is about 71909.8710956987. The cubic root of 5171029561 is about 1729.2548676100.

The spelling of 5171029561 in words is "five billion, one hundred seventy-one million, twenty-nine thousand, five hundred sixty-one".