32066321 has 4 divisors (see below), whose sum is σ = 36647232. Its totient is φ = 27485412.

The previous prime is 32066317. The next prime is 32066341. The reversal of 32066321 is 12366023.

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 not a de Polignac number, because 32066321 - 2² = 32066317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32066341) 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, 2290445 + ... + 2290458.

It is an arithmetic number, because the mean of its divisors is an integer number (9161808).

Almost surely, 2^32066321 is an apocalyptic number.

It is an amenable number.

32066321 is a deficient number, since it is larger than the sum of its proper divisors (4580911).

32066321 is an equidigital number, since it uses as much as digits as its factorization.

32066321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4580910.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 32066321 is about 5662.7132189437. The cubic root of 32066321 is about 317.6993882647.

The spelling of 32066321 in words is "thirty-two million, sixty-six thousand, three hundred twenty-one".