32328561 has 16 divisors (see below), whose sum is σ = 44724416. Its totient is φ = 20756736.

The previous prime is 32328559. The next prime is 32328589. The reversal of 32328561 is 16582323.

It is not a de Polignac number, because 32328561 - 2¹ = 32328559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32328511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7701 + ... + 11133.

It is an arithmetic number, because the mean of its divisors is an integer number (2795276).

Almost surely, 2^32328561 is an apocalyptic number.

It is an amenable number.

32328561 is a deficient number, since it is larger than the sum of its proper divisors (12395855).

32328561 is a wasteful number, since it uses less digits than its factorization.

32328561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3552.

The product of its digits is 8640, while the sum is 30.

The square root of 32328561 is about 5685.8210488899. The cubic root of 32328561 is about 318.5630919605.

The spelling of 32328561 in words is "thirty-two million, three hundred twenty-eight thousand, five hundred sixty-one".