82473197 has 2 divisors, whose sum is σ = 82473198. Its totient is φ = 82473196.

The previous prime is 82473179. The next prime is 82473217. The reversal of 82473197 is 79137428.

Together with previous prime (82473179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67059721 + 15413476 = 8189^2 + 3926^2 .

It is a cyclic number.

It is not a de Polignac number, because 82473197 - 2⁶ = 82473133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82473107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41236598 + 41236599.

It is an arithmetic number, because the mean of its divisors is an integer number (41236599).

Almost surely, 2^82473197 is an apocalyptic number.

It is an amenable number.

82473197 is a deficient number, since it is larger than the sum of its proper divisors (1).

82473197 is an equidigital number, since it uses as much as digits as its factorization.

82473197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 41.

The square root of 82473197 is about 9081.4754858448. The cubic root of 82473197 is about 435.2822354786.

The spelling of 82473197 in words is "eighty-two million, four hundred seventy-three thousand, one hundred ninety-seven".