343612273 has 2 divisors, whose sum is σ = 343612274. Its totient is φ = 343612272.

The previous prime is 343612237. The next prime is 343612289. The reversal of 343612273 is 372216343.

Together with previous prime (343612237) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 241864704 + 101747569 = 15552^2 + 10087^2 .

It is a cyclic number.

It is not a de Polignac number, because 343612273 - 2¹³ = 343604081 is a prime.

It is not a weakly prime, because it can be changed into another prime (343618273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171806136 + 171806137.

It is an arithmetic number, because the mean of its divisors is an integer number (171806137).

Almost surely, 2^343612273 is an apocalyptic number.

It is an amenable number.

343612273 is a deficient number, since it is larger than the sum of its proper divisors (1).

343612273 is an equidigital number, since it uses as much as digits as its factorization.

343612273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 31.

The square root of 343612273 is about 18536.7816246510. The cubic root of 343612273 is about 700.4162646583.

The spelling of 343612273 in words is "three hundred forty-three million, six hundred twelve thousand, two hundred seventy-three".