32081013 has 6 divisors (see below), whose sum is σ = 46339254. Its totient is φ = 21387336.

The previous prime is 32081011. The next prime is 32081017. The reversal of 32081013 is 31018023.

It can be written as a sum of positive squares in only one way, i.e., 19421649 + 12659364 = 4407^2 + 3558^2 .

It is not a de Polignac number, because 32081013 - 2¹ = 32081011 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32081011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1782270 + ... + 1782287.

It is an arithmetic number, because the mean of its divisors is an integer number (7723209).

Almost surely, 2^32081013 is an apocalyptic number.

It is an amenable number.

32081013 is a deficient number, since it is larger than the sum of its proper divisors (14258241).

32081013 is a wasteful number, since it uses less digits than its factorization.

32081013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3564563 (or 3564560 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 32081013 is about 5664.0103283804. The cubic root of 32081013 is about 317.7479015395.

Adding to 32081013 its reverse (31018023), we get a palindrome (63099036).

The spelling of 32081013 in words is "thirty-two million, eighty-one thousand, thirteen".