171340349 has 2 divisors, whose sum is σ = 171340350. Its totient is φ = 171340348.

The previous prime is 171340343. The next prime is 171340387. The reversal of 171340349 is 943043171.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108534724 + 62805625 = 10418^2 + 7925^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-171340349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (171340343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85670174 + 85670175.

It is an arithmetic number, because the mean of its divisors is an integer number (85670175).

Almost surely, 2^171340349 is an apocalyptic number.

It is an amenable number.

171340349 is a deficient number, since it is larger than the sum of its proper divisors (1).

171340349 is an equidigital number, since it uses as much as digits as its factorization.

171340349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 171340349 is about 13089.7039309528. The cubic root of 171340349 is about 555.4179131914.

The spelling of 171340349 in words is "one hundred seventy-one million, three hundred forty thousand, three hundred forty-nine".