82491733 has 2 divisors, whose sum is σ = 82491734. Its totient is φ = 82491732.

The previous prime is 82491719. The next prime is 82491737. The reversal of 82491733 is 33719428.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75637809 + 6853924 = 8697^2 + 2618^2 .

It is a cyclic number.

It is not a de Polignac number, because 82491733 - 2¹⁷ = 82360661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82491692 and 82491701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82491737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41245866 + 41245867.

It is an arithmetic number, because the mean of its divisors is an integer number (41245867).

Almost surely, 2^82491733 is an apocalyptic number.

It is an amenable number.

82491733 is a deficient number, since it is larger than the sum of its proper divisors (1).

82491733 is an equidigital number, since it uses as much as digits as its factorization.

82491733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 37.

The square root of 82491733 is about 9082.4959675191. The cubic root of 82491733 is about 435.3148431921.

The spelling of 82491733 in words is "eighty-two million, four hundred ninety-one thousand, seven hundred thirty-three".