32130205 has 4 divisors (see below), whose sum is σ = 38556252. Its totient is φ = 25704160.

The previous prime is 32130193. The next prime is 32130209. The reversal of 32130205 is 50203123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50203123 = 199 ⋅252277.

It can be written as a sum of positive squares in 2 ways, for example, as 21279769 + 10850436 = 4613^2 + 3294^2 .

It is not a de Polignac number, because 32130205 - 2¹¹ = 32128157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32130209) 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 3 ways as a sum of consecutive naturals, for example, 3213016 + ... + 3213025.

It is an arithmetic number, because the mean of its divisors is an integer number (9639063).

Almost surely, 2^32130205 is an apocalyptic number.

It is an amenable number.

32130205 is a deficient number, since it is larger than the sum of its proper divisors (6426047).

32130205 is an equidigital number, since it uses as much as digits as its factorization.

32130205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6426046.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 32130205 is about 5668.3511711961. The cubic root of 32130205 is about 317.9102267586.

Adding to 32130205 its reverse (50203123), we get a palindrome (82333328).

The spelling of 32130205 in words is "thirty-two million, one hundred thirty thousand, two hundred five".