341249809 has 2 divisors, whose sum is σ = 341249810. Its totient is φ = 341249808.

The previous prime is 341249807. The next prime is 341249833. The reversal of 341249809 is 908942143.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 334999809 + 6250000 = 18303^2 + 2500^2 .

It is a cyclic number.

It is not a de Polignac number, because 341249809 - 2¹ = 341249807 is a prime.

Together with 341249807, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (341249807) 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, 170624904 + 170624905.

It is an arithmetic number, because the mean of its divisors is an integer number (170624905).

Almost surely, 2^341249809 is an apocalyptic number.

It is an amenable number.

341249809 is a deficient number, since it is larger than the sum of its proper divisors (1).

341249809 is an equidigital number, since it uses as much as digits as its factorization.

341249809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 341249809 is about 18472.9480321902. The cubic root of 341249809 is about 698.8073630560.

The spelling of 341249809 in words is "three hundred forty-one million, two hundred forty-nine thousand, eight hundred nine".