342284561 has 2 divisors, whose sum is σ = 342284562. Its totient is φ = 342284560.

The previous prime is 342284543. The next prime is 342284573. The reversal of 342284561 is 165482243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213598225 + 128686336 = 14615^2 + 11344^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342284561 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (342284531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171142280 + 171142281.

It is an arithmetic number, because the mean of its divisors is an integer number (171142281).

Almost surely, 2^342284561 is an apocalyptic number.

It is an amenable number.

342284561 is a deficient number, since it is larger than the sum of its proper divisors (1).

342284561 is an equidigital number, since it uses as much as digits as its factorization.

342284561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46080, while the sum is 35.

The square root of 342284561 is about 18500.9340575010. The cubic root of 342284561 is about 699.5129680240.

The spelling of 342284561 in words is "three hundred forty-two million, two hundred eighty-four thousand, five hundred sixty-one".