171313433 has 2 divisors, whose sum is σ = 171313434. Its totient is φ = 171313432.

The previous prime is 171313427. The next prime is 171313459. The reversal of 171313433 is 334313171.

It is an a-pointer prime, because the next prime (171313459) can be obtained adding 171313433 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 171295744 + 17689 = 13088^2 + 133^2 .

It is an emirp because it is prime and its reverse (334313171) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 171313433 - 2¹⁰ = 171312409 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (171313733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85656716 + 85656717.

It is an arithmetic number, because the mean of its divisors is an integer number (85656717).

Almost surely, 2^171313433 is an apocalyptic number.

It is an amenable number.

171313433 is a deficient number, since it is larger than the sum of its proper divisors (1).

171313433 is an equidigital number, since it uses as much as digits as its factorization.

171313433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 26.

The square root of 171313433 is about 13088.6757542541. The cubic root of 171313433 is about 555.3888279788.

The spelling of 171313433 in words is "one hundred seventy-one million, three hundred thirteen thousand, four hundred thirty-three".