343550873 has 2 divisors, whose sum is σ = 343550874. Its totient is φ = 343550872.

The previous prime is 343550869. The next prime is 343550899. The reversal of 343550873 is 378055343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 292170649 + 51380224 = 17093^2 + 7168^2 .

It is a cyclic number.

It is not a de Polignac number, because 343550873 - 2² = 343550869 is a prime.

It is equal to p_18475508 and since 343550873 and 18475508 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 (343550803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171775436 + 171775437.

It is an arithmetic number, because the mean of its divisors is an integer number (171775437).

Almost surely, 2^343550873 is an apocalyptic number.

It is an amenable number.

343550873 is a deficient number, since it is larger than the sum of its proper divisors (1).

343550873 is an equidigital number, since it uses as much as digits as its factorization.

343550873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 38.

The square root of 343550873 is about 18535.1253839838. The cubic root of 343550873 is about 700.3745430981.

The spelling of 343550873 in words is "three hundred forty-three million, five hundred fifty thousand, eight hundred seventy-three".