343522345 has 4 divisors (see below), whose sum is σ = 412226820. Its totient is φ = 274817872.

The previous prime is 343522339. The next prime is 343522351. The reversal of 343522345 is 543225343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 543225343 = 461 ⋅1178363.

It is an interprime number because it is at equal distance from previous prime (343522339) and next prime (343522351).

It can be written as a sum of positive squares in 2 ways, for example, as 63696361 + 279825984 = 7981^2 + 16728^2 .

It is a cyclic number.

It is not a de Polignac number, because 343522345 - 2⁹ = 343521833 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34352230 + ... + 34352239.

It is an arithmetic number, because the mean of its divisors is an integer number (103056705).

Almost surely, 2^343522345 is an apocalyptic number.

It is an amenable number.

343522345 is a deficient number, since it is larger than the sum of its proper divisors (68704475).

343522345 is an equidigital number, since it uses as much as digits as its factorization.

343522345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68704474.

The product of its digits is 43200, while the sum is 31.

The square root of 343522345 is about 18534.3558021313. The cubic root of 343522345 is about 700.3551565097.

Adding to 343522345 its reverse (543225343), we get a palindrome (886747688).

The spelling of 343522345 in words is "three hundred forty-three million, five hundred twenty-two thousand, three hundred forty-five".