32545213 has 4 divisors (see below), whose sum is σ = 32937408.
Its totient is φ = 32153020.
The previous prime is 32545189. The next prime is 32545223. The reversal of 32545213 is 31254523.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-32545213 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (32545223) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195973 + ... + 196138.
It is an arithmetic number, because the mean of its divisors is an integer number (8234352).
Almost surely, 232545213 is an apocalyptic number.
It is an amenable number.
32545213 is a deficient number, since it is larger than the sum of its proper divisors (392195).
32545213 is an equidigital number, since it uses as much as digits as its factorization.
32545213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 392194.
The product of its digits is 3600, while the sum is 25.
The square root of 32545213 is about 5704.8411897265.
The cubic root of 32545213 is about 319.2731320982.
Adding to 32545213 its reverse (31254523), we get a palindrome (63799736).
The spelling of 32545213 in words is "thirty-two million, five hundred forty-five thousand, two hundred thirteen".