342320609 has 2 divisors, whose sum is σ = 342320610. Its totient is φ = 342320608.

The previous prime is 342320597. The next prime is 342320623. The reversal of 342320609 is 906023243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 240250000 + 102070609 = 15500^2 + 10103^2 .

It is a cyclic number.

It is not a de Polignac number, because 342320609 - 2²⁸ = 73885153 is a prime.

It is a super-2 number, since 2×342320609² = 234366798692261762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (342320639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171160304 + 171160305.

It is an arithmetic number, because the mean of its divisors is an integer number (171160305).

Almost surely, 2^342320609 is an apocalyptic number.

It is an amenable number.

342320609 is a deficient number, since it is larger than the sum of its proper divisors (1).

342320609 is an equidigital number, since it uses as much as digits as its factorization.

342320609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 342320609 is about 18501.9082529343. The cubic root of 342320609 is about 699.5375237700.

The spelling of 342320609 in words is "three hundred forty-two million, three hundred twenty thousand, six hundred nine".