32040065 has 16 divisors (see below), whose sum is σ = 39944016. Its totient is φ = 24652800.

The previous prime is 32040049. The next prime is 32040083. The reversal of 32040065 is 56004023.

It can be written as a sum of positive squares in 8 ways, for example, as 38416 + 32001649 = 196^2 + 5657^2 .

It is not a de Polignac number, because 32040065 - 2⁴ = 32040049 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13895 + ... + 16035.

It is an arithmetic number, because the mean of its divisors is an integer number (2496501).

Almost surely, 2^32040065 is an apocalyptic number.

It is an amenable number.

32040065 is a deficient number, since it is larger than the sum of its proper divisors (7903951).

32040065 is a wasteful number, since it uses less digits than its factorization.

32040065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2260.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 32040065 is about 5660.3944208862. The cubic root of 32040065 is about 317.6126535163.

Adding to 32040065 its reverse (56004023), we get a palindrome (88044088).

The spelling of 32040065 in words is "thirty-two million, forty thousand, sixty-five".