32305225 has 24 divisors (see below), whose sum is σ = 44015040. Its totient is φ = 23411520.

The previous prime is 32305223. The next prime is 32305237. The reversal of 32305225 is 52250323.

It is not a de Polignac number, because 32305225 - 2¹ = 32305223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32305196 and 32305205.

It is not an unprimeable number, because it can be changed into a prime (32305223) 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 23 ways as a sum of consecutive naturals, for example, 9447 + ... + 12403.

It is an arithmetic number, because the mean of its divisors is an integer number (1833960).

Almost surely, 2^32305225 is an apocalyptic number.

It is an amenable number.

32305225 is a deficient number, since it is larger than the sum of its proper divisors (11709815).

32305225 is a wasteful number, since it uses less digits than its factorization.

32305225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3009 (or 3004 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 32305225 is about 5683.7685561606. The cubic root of 32305225 is about 318.4864231418.

Adding to 32305225 its reverse (52250323), we get a palindrome (84555548).

The spelling of 32305225 in words is "thirty-two million, three hundred five thousand, two hundred twenty-five".