32130001 has 8 divisors (see below), whose sum is σ = 32727240. Its totient is φ = 31537152.

The previous prime is 32129959. The next prime is 32130013. The reversal of 32130001 is 10003123.

It can be written as a sum of positive squares in 4 ways, for example, as 2099601 + 30030400 = 1449^2 + 5480^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 32130001 - 2¹⁹ = 31605713 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32130001.

It is not an unprimeable number, because it can be changed into a prime (32130041) 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 7 ways as a sum of consecutive naturals, for example, 16065 + ... + 17953.

It is an arithmetic number, because the mean of its divisors is an integer number (4090905).

Almost surely, 2^32130001 is an apocalyptic number.

It is an amenable number.

32130001 is a deficient number, since it is larger than the sum of its proper divisors (597239).

32130001 is a wasteful number, since it uses less digits than its factorization.

32130001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2195.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 32130001 is about 5668.3331765167. Note that the first 3 decimals coincide. The cubic root of 32130001 is about 317.9095539356.

Adding to 32130001 its reverse (10003123), we get a palindrome (42133124).

The spelling of 32130001 in words is "thirty-two million, one hundred thirty thousand, one".