343842451 has 2 divisors, whose sum is σ = 343842452. Its totient is φ = 343842450.

The previous prime is 343842439. The next prime is 343842461. The reversal of 343842451 is 154248343.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 343842451 - 2⁵ = 343842419 is a prime.

It is a super-2 number, since 2×343842451² = 236455262219374802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (343842461) 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, 171921225 + 171921226.

It is an arithmetic number, because the mean of its divisors is an integer number (171921226).

Almost surely, 2^343842451 is an apocalyptic number.

343842451 is a deficient number, since it is larger than the sum of its proper divisors (1).

343842451 is an equidigital number, since it uses as much as digits as its factorization.

343842451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46080, while the sum is 34.

The square root of 343842451 is about 18542.9892681844. The cubic root of 343842451 is about 700.5726273591.

The spelling of 343842451 in words is "three hundred forty-three million, eight hundred forty-two thousand, four hundred fifty-one".