32545189 has 2 divisors, whose sum is σ = 32545190. Its totient is φ = 32545188.

The previous prime is 32545187. The next prime is 32545223. The reversal of 32545189 is 98154523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31024900 + 1520289 = 5570^2 + 1233^2 .

It is an emirp because it is prime and its reverse (98154523) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32545189 - 2¹ = 32545187 is a prime.

Together with 32545187, 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 (32545187) 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, 16272594 + 16272595.

It is an arithmetic number, because the mean of its divisors is an integer number (16272595).

Almost surely, 2^32545189 is an apocalyptic number.

It is an amenable number.

32545189 is a deficient number, since it is larger than the sum of its proper divisors (1).

32545189 is an equidigital number, since it uses as much as digits as its factorization.

32545189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 37.

The square root of 32545189 is about 5704.8390862495. The cubic root of 32545189 is about 319.2730536170.

The spelling of 32545189 in words is "thirty-two million, five hundred forty-five thousand, one hundred eighty-nine".