340609271 has 2 divisors, whose sum is σ = 340609272. Its totient is φ = 340609270.

The previous prime is 340609267. The next prime is 340609279. The reversal of 340609271 is 172906043.

It is a weak prime.

It is an emirp because it is prime and its reverse (172906043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340609271 - 2² = 340609267 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340609279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170304635 + 170304636.

It is an arithmetic number, because the mean of its divisors is an integer number (170304636).

Almost surely, 2^340609271 is an apocalyptic number.

340609271 is a deficient number, since it is larger than the sum of its proper divisors (1).

340609271 is an equidigital number, since it uses as much as digits as its factorization.

340609271 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 340609271 is about 18455.6026994515. The cubic root of 340609271 is about 698.3698604671.

The spelling of 340609271 in words is "three hundred forty million, six hundred nine thousand, two hundred seventy-one".