342044273 has 2 divisors, whose sum is σ = 342044274. Its totient is φ = 342044272.

The previous prime is 342044237. The next prime is 342044291. The reversal of 342044273 is 372440243.

Together with previous prime (342044237) 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., 265429264 + 76615009 = 16292^2 + 8753^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342044273 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (342040273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171022136 + 171022137.

It is an arithmetic number, because the mean of its divisors is an integer number (171022137).

Almost surely, 2^342044273 is an apocalyptic number.

It is an amenable number.

342044273 is a deficient number, since it is larger than the sum of its proper divisors (1).

342044273 is an equidigital number, since it uses as much as digits as its factorization.

342044273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 29.

The square root of 342044273 is about 18494.4389750000. The cubic root of 342044273 is about 699.3492407835.

The spelling of 342044273 in words is "three hundred forty-two million, forty-four thousand, two hundred seventy-three".