343243249 has 2 divisors, whose sum is σ = 343243250. Its totient is φ = 343243248.

The previous prime is 343243223. The next prime is 343243261. The reversal of 343243249 is 942342343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 252174400 + 91068849 = 15880^2 + 9543^2 .

It is a cyclic number.

It is not a de Polignac number, because 343243249 - 2⁹ = 343242737 is a prime.

It is not a weakly prime, because it can be changed into another prime (343247249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171621624 + 171621625.

It is an arithmetic number, because the mean of its divisors is an integer number (171621625).

Almost surely, 2^343243249 is an apocalyptic number.

It is an amenable number.

343243249 is a deficient number, since it is larger than the sum of its proper divisors (1).

343243249 is an equidigital number, since it uses as much as digits as its factorization.

343243249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 34.

The square root of 343243249 is about 18526.8251192696. The cubic root of 343243249 is about 700.1654364083.

It can be divided in two parts, 34324 and 3249, that added together give a palindrome (37573).

The spelling of 343243249 in words is "three hundred forty-three million, two hundred forty-three thousand, two hundred forty-nine".