82910297 has 2 divisors, whose sum is σ = 82910298. Its totient is φ = 82910296.

The previous prime is 82910273. The next prime is 82910339. The reversal of 82910297 is 79201928.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54405376 + 28504921 = 7376^2 + 5339^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82910297 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82910297.

It is not a weakly prime, because it can be changed into another prime (82913297) 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, 41455148 + 41455149.

It is an arithmetic number, because the mean of its divisors is an integer number (41455149).

Almost surely, 2^82910297 is an apocalyptic number.

It is an amenable number.

82910297 is a deficient number, since it is larger than the sum of its proper divisors (1).

82910297 is an equidigital number, since it uses as much as digits as its factorization.

82910297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 82910297 is about 9105.5091565491. The cubic root of 82910297 is about 436.0498655897.

The spelling of 82910297 in words is "eighty-two million, nine hundred ten thousand, two hundred ninety-seven".