32508225 has 18 divisors (see below), whose sum is σ = 58226246. Its totient is φ = 17337600.

The previous prime is 32508211. The next prime is 32508227. The reversal of 32508225 is 52280523.

It can be written as a sum of positive squares in 3 ways, for example, as 10969344 + 21538881 = 3312^2 + 4641^2 .

It is not a de Polignac number, because 32508225 - 2⁴ = 32508209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32508227) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 72016 + ... + 72465.

Almost surely, 2^32508225 is an apocalyptic number.

It is an amenable number.

32508225 is a deficient number, since it is larger than the sum of its proper divisors (25718021).

32508225 is a wasteful number, since it uses less digits than its factorization.

32508225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144497 (or 144489 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 32508225 is about 5701.5984600812. The cubic root of 32508225 is about 319.1521337481.

Adding to 32508225 its reverse (52280523), we get a palindrome (84788748).

The spelling of 32508225 in words is "thirty-two million, five hundred eight thousand, two hundred twenty-five".