343616249 has 2 divisors, whose sum is σ = 343616250. Its totient is φ = 343616248.

The previous prime is 343616237. The next prime is 343616281. The reversal of 343616249 is 942616343.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 218892025 + 124724224 = 14795^2 + 11168^2 .

It is an emirp because it is prime and its reverse (942616343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 343616249 - 2²⁸ = 75180793 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (343646249) 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, 171808124 + 171808125.

It is an arithmetic number, because the mean of its divisors is an integer number (171808125).

Almost surely, 2^343616249 is an apocalyptic number.

It is an amenable number.

343616249 is a deficient number, since it is larger than the sum of its proper divisors (1).

343616249 is an equidigital number, since it uses as much as digits as its factorization.

343616249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 38.

The square root of 343616249 is about 18536.8888705737. Note that the first 4 decimals coincide. The cubic root of 343616249 is about 700.4189661958.

The spelling of 343616249 in words is "three hundred forty-three million, six hundred sixteen thousand, two hundred forty-nine".