343245451 has 2 divisors, whose sum is σ = 343245452. Its totient is φ = 343245450.

The previous prime is 343245449. The next prime is 343245473. The reversal of 343245451 is 154542343.

It is a weak prime.

It is an emirp because it is prime and its reverse (154542343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 343245451 - 2¹ = 343245449 is a prime.

Together with 343245449, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (343245401) 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, 171622725 + 171622726.

It is an arithmetic number, because the mean of its divisors is an integer number (171622726).

Almost surely, 2^343245451 is an apocalyptic number.

343245451 is a deficient number, since it is larger than the sum of its proper divisors (1).

343245451 is an equidigital number, since it uses as much as digits as its factorization.

343245451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 31.

The square root of 343245451 is about 18526.8845465178. The cubic root of 343245451 is about 700.1669336564.

Adding to 343245451 its reverse (154542343), we get a palindrome (497787794).

The spelling of 343245451 in words is "three hundred forty-three million, two hundred forty-five thousand, four hundred fifty-one".