343505933 has 2 divisors, whose sum is σ = 343505934. Its totient is φ = 343505932.

The previous prime is 343505923. The next prime is 343505951. The reversal of 343505933 is 339505343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 214388164 + 129117769 = 14642^2 + 11363^2 .

It is a cyclic number.

It is not a de Polignac number, because 343505933 - 2²⁸ = 75070477 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 343505893 and 343505902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343505923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171752966 + 171752967.

It is an arithmetic number, because the mean of its divisors is an integer number (171752967).

Almost surely, 2^343505933 is an apocalyptic number.

It is an amenable number.

343505933 is a deficient number, since it is larger than the sum of its proper divisors (1).

343505933 is an equidigital number, since it uses as much as digits as its factorization.

343505933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72900, while the sum is 35.

The square root of 343505933 is about 18533.9130514848. The cubic root of 343505933 is about 700.3440030267.

The spelling of 343505933 in words is "three hundred forty-three million, five hundred five thousand, nine hundred thirty-three".