32643065 has 48 divisors (see below), whose sum is σ = 50580432. Its totient is φ = 20030976.

The previous prime is 32643059. The next prime is 32643073. The reversal of 32643065 is 56034623.

It can be written as a sum of positive squares in 8 ways, for example, as 1517824 + 31125241 = 1232^2 + 5579^2 .

It is not a de Polignac number, because 32643065 - 2⁶ = 32643001 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 117707 + ... + 117983.

It is an arithmetic number, because the mean of its divisors is an integer number (1053759).

Almost surely, 2^32643065 is an apocalyptic number.

32643065 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

32643065 is a deficient number, since it is larger than the sum of its proper divisors (17937367).

32643065 is a wasteful number, since it uses less digits than its factorization.

32643065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346 (or 339 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 32643065 is about 5713.4109776910. The cubic root of 32643065 is about 319.5927925858.

Adding to 32643065 its reverse (56034623), we get a palindrome (88677688).

The spelling of 32643065 in words is "thirty-two million, six hundred forty-three thousand, sixty-five".