82945349 has 2 divisors, whose sum is σ = 82945350. Its totient is φ = 82945348.

The previous prime is 82945333. The next prime is 82945361. The reversal of 82945349 is 94354928.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60949249 + 21996100 = 7807^2 + 4690^2 .

It is a cyclic number.

It is not a de Polignac number, because 82945349 - 2⁴ = 82945333 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82945309) 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, 41472674 + 41472675.

It is an arithmetic number, because the mean of its divisors is an integer number (41472675).

Almost surely, 2^82945349 is an apocalyptic number.

It is an amenable number.

82945349 is a deficient number, since it is larger than the sum of its proper divisors (1).

82945349 is an equidigital number, since it uses as much as digits as its factorization.

82945349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 44.

The square root of 82945349 is about 9107.4337219658. The cubic root of 82945349 is about 436.1113065567. Note that the first 3 decimals are identical.

The spelling of 82945349 in words is "eighty-two million, nine hundred forty-five thousand, three hundred forty-nine".