342978283 has 2 divisors, whose sum is σ = 342978284. Its totient is φ = 342978282.

The previous prime is 342978241. The next prime is 342978289. The reversal of 342978283 is 382879243.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342978283 is a prime.

It is not a weakly prime, because it can be changed into another prime (342978289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171489141 + 171489142.

It is an arithmetic number, because the mean of its divisors is an integer number (171489142).

Almost surely, 2^342978283 is an apocalyptic number.

342978283 is a deficient number, since it is larger than the sum of its proper divisors (1).

342978283 is an equidigital number, since it uses as much as digits as its factorization.

342978283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 46.

The square root of 342978283 is about 18519.6728642814. The cubic root of 342978283 is about 699.9852262188.

The spelling of 342978283 in words is "three hundred forty-two million, nine hundred seventy-eight thousand, two hundred eighty-three".