343375997 has 2 divisors, whose sum is σ = 343375998. Its totient is φ = 343375996.

The previous prime is 343375927. The next prime is 343376017. The reversal of 343375997 is 799573343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 271227961 + 72148036 = 16469^2 + 8494^2 .

It is a cyclic number.

It is not a de Polignac number, because 343375997 - 2²² = 339181693 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343375927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171687998 + 171687999.

It is an arithmetic number, because the mean of its divisors is an integer number (171687999).

Almost surely, 2^343375997 is an apocalyptic number.

It is an amenable number.

343375997 is a deficient number, since it is larger than the sum of its proper divisors (1).

343375997 is an equidigital number, since it uses as much as digits as its factorization.

343375997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2143260, while the sum is 50.

The square root of 343375997 is about 18530.4073619551. The cubic root of 343375997 is about 700.2556868668.

The spelling of 343375997 in words is "three hundred forty-three million, three hundred seventy-five thousand, nine hundred ninety-seven".