32544973 has 2 divisors, whose sum is σ = 32544974. Its totient is φ = 32544972.

The previous prime is 32544971. The next prime is 32544979. The reversal of 32544973 is 37944523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22829284 + 9715689 = 4778^2 + 3117^2 .

It is an emirp because it is prime and its reverse (37944523) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32544973 - 2¹ = 32544971 is a prime.

Together with 32544971, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32544971) 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, 16272486 + 16272487.

It is an arithmetic number, because the mean of its divisors is an integer number (16272487).

Almost surely, 2^32544973 is an apocalyptic number.

It is an amenable number.

32544973 is a deficient number, since it is larger than the sum of its proper divisors (1).

32544973 is an equidigital number, since it uses as much as digits as its factorization.

32544973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 37.

The square root of 32544973 is about 5704.8201549216. The cubic root of 32544973 is about 319.2723472850.

The spelling of 32544973 in words is "thirty-two million, five hundred forty-four thousand, nine hundred seventy-three".