32640011 has 2 divisors, whose sum is σ = 32640012. Its totient is φ = 32640010.

The previous prime is 32640007. The next prime is 32640071. The reversal of 32640011 is 11004623.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32640011 - 2² = 32640007 is a prime.

It is not a weakly prime, because it can be changed into another prime (32640001) by changing a digit.

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 as a sum of consecutive naturals, namely, 16320005 + 16320006.

It is an arithmetic number, because the mean of its divisors is an integer number (16320006).

Almost surely, 2^32640011 is an apocalyptic number.

32640011 is a deficient number, since it is larger than the sum of its proper divisors (1).

32640011 is an equidigital number, since it uses as much as digits as its factorization.

32640011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 32640011 is about 5713.1437055268. The cubic root of 32640011 is about 319.5828255190.

Adding to 32640011 its reverse (11004623), we get a palindrome (43644634).

The spelling of 32640011 in words is "thirty-two million, six hundred forty thousand, eleven".