340342241 has 4 divisors (see below), whose sum is σ = 345921684. Its totient is φ = 334762800.

The previous prime is 340342153. The next prime is 340342253. The reversal of 340342241 is 142243043.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44502241 + 295840000 = 6671^2 + 17200^2 .

It is a cyclic number.

It is not a de Polignac number, because 340342241 - 2¹⁴ = 340325857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (340342441) 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 in 3 ways as a sum of consecutive naturals, for example, 2789630 + ... + 2789751.

It is an arithmetic number, because the mean of its divisors is an integer number (86480421).

Almost surely, 2^340342241 is an apocalyptic number.

It is an amenable number.

340342241 is a deficient number, since it is larger than the sum of its proper divisors (5579443).

340342241 is an equidigital number, since it uses as much as digits as its factorization.

340342241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5579442.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 340342241 is about 18448.3668924921. The cubic root of 340342241 is about 698.1873106713.

Adding to 340342241 its reverse (142243043), we get a palindrome (482585284).

The spelling of 340342241 in words is "three hundred forty million, three hundred forty-two thousand, two hundred forty-one".