32725231 has 8 divisors (see below), whose sum is σ = 40800384. Its totient is φ = 25500120.

The previous prime is 32725229. The next prime is 32725247. The reversal of 32725231 is 13252723.

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 32725231 - 2¹ = 32725229 is a prime.

It is a super-2 number, since 2×32725231² = 2141881488006722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32725196 and 32725205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32725261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212425 + ... + 212578.

It is an arithmetic number, because the mean of its divisors is an integer number (5100048).

Almost surely, 2^32725231 is an apocalyptic number.

32725231 is a deficient number, since it is larger than the sum of its proper divisors (8075153).

32725231 is a wasteful number, since it uses less digits than its factorization.

32725231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425021.

The product of its digits is 2520, while the sum is 25.

The square root of 32725231 is about 5720.5970842212. The cubic root of 32725231 is about 319.8607173797.

Adding to 32725231 its reverse (13252723), we get a palindrome (45977954).

The spelling of 32725231 in words is "thirty-two million, seven hundred twenty-five thousand, two hundred thirty-one".