32172565273 has 2 divisors, whose sum is σ = 32172565274. Its totient is φ = 32172565272.

The previous prime is 32172565237. The next prime is 32172565319. The reversal of 32172565273 is 37256527123.

Together with previous prime (32172565237) 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., 30489350544 + 1683214729 = 174612^2 + 41027^2 .

It is a cyclic number.

It is not a de Polignac number, because 32172565273 - 2⁹ = 32172564761 is a prime.

It is not a weakly prime, because it can be changed into another prime (32172562273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16086282636 + 16086282637.

It is an arithmetic number, because the mean of its divisors is an integer number (16086282637).

Almost surely, 2^32172565273 is an apocalyptic number.

It is an amenable number.

32172565273 is a deficient number, since it is larger than the sum of its proper divisors (1).

32172565273 is an equidigital number, since it uses as much as digits as its factorization.

32172565273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 529200, while the sum is 43.

The spelling of 32172565273 in words is "thirty-two billion, one hundred seventy-two million, five hundred sixty-five thousand, two hundred seventy-three".