171255013 has 2 divisors, whose sum is σ = 171255014. Its totient is φ = 171255012.

The previous prime is 171254983. The next prime is 171255043. The reversal of 171255013 is 310552171.

It is a balanced prime because it is at equal distance from previous prime (171254983) and next prime (171255043).

It can be written as a sum of positive squares in only one way, i.e., 90668484 + 80586529 = 9522^2 + 8977^2 .

It is a cyclic number.

It is not a de Polignac number, because 171255013 - 2²¹ = 169157861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (171255043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85627506 + 85627507.

It is an arithmetic number, because the mean of its divisors is an integer number (85627507).

Almost surely, 2^171255013 is an apocalyptic number.

It is an amenable number.

171255013 is a deficient number, since it is larger than the sum of its proper divisors (1).

171255013 is an equidigital number, since it uses as much as digits as its factorization.

171255013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 171255013 is about 13086.4438637851. The cubic root of 171255013 is about 555.3256893142.

The spelling of 171255013 in words is "one hundred seventy-one million, two hundred fifty-five thousand, thirteen".