343055513 has 2 divisors, whose sum is σ = 343055514. Its totient is φ = 343055512.

The previous prime is 343055497. The next prime is 343055539. The reversal of 343055513 is 315550343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 281165824 + 61889689 = 16768^2 + 7867^2 .

It is an emirp because it is prime and its reverse (315550343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 343055513 - 2⁴ = 343055497 is a prime.

It is equal to p_18450236 and since 343055513 and 18450236 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (343055593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171527756 + 171527757.

It is an arithmetic number, because the mean of its divisors is an integer number (171527757).

Almost surely, 2^343055513 is an apocalyptic number.

It is an amenable number.

343055513 is a deficient number, since it is larger than the sum of its proper divisors (1).

343055513 is an equidigital number, since it uses as much as digits as its factorization.

343055513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13500, while the sum is 29.

The square root of 343055513 is about 18521.7578269450. The cubic root of 343055513 is about 700.0377619085.

The spelling of 343055513 in words is "three hundred forty-three million, fifty-five thousand, five hundred thirteen".