32405065 has 32 divisors (see below), whose sum is σ = 49188096. Its totient is φ = 19906560.

The previous prime is 32405063. The next prime is 32405069. The reversal of 32405065 is 56050423.

It is not a de Polignac number, because 32405065 - 2¹ = 32405063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32405063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27529 + ... + 28681.

It is an arithmetic number, because the mean of its divisors is an integer number (1537128).

Almost surely, 2^32405065 is an apocalyptic number.

32405065 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

32405065 is a deficient number, since it is larger than the sum of its proper divisors (16783031).

32405065 is a wasteful number, since it uses less digits than its factorization.

32405065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 32405065 is about 5692.5446858149. The cubic root of 32405065 is about 318.8141821289.

Adding to 32405065 its reverse (56050423), we get a palindrome (88455488).

The spelling of 32405065 in words is "thirty-two million, four hundred five thousand, sixty-five".