82485811 has 2 divisors, whose sum is σ = 82485812. Its totient is φ = 82485810.

The previous prime is 82485779. The next prime is 82485841. The reversal of 82485811 is 11858428.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82485811 - 2⁵ = 82485779 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82485841) 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, 41242905 + 41242906.

It is an arithmetic number, because the mean of its divisors is an integer number (41242906).

Almost surely, 2^82485811 is an apocalyptic number.

82485811 is a deficient number, since it is larger than the sum of its proper divisors (1).

82485811 is an equidigital number, since it uses as much as digits as its factorization.

82485811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20480, while the sum is 37.

The square root of 82485811 is about 9082.1699499624. The cubic root of 82485811 is about 435.3044260020.

The spelling of 82485811 in words is "eighty-two million, four hundred eighty-five thousand, eight hundred eleven".