32512225 has 12 divisors (see below), whose sum is σ = 42068736. Its totient is φ = 24878480.

The previous prime is 32512199. The next prime is 32512237. The reversal of 32512225 is 52221523.

It is not a de Polignac number, because 32512225 - 2¹⁵ = 32479457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32512196 and 32512205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27697 + ... + 28846.

It is an arithmetic number, because the mean of its divisors is an integer number (3505728).

Almost surely, 2^32512225 is an apocalyptic number.

It is an amenable number.

32512225 is a deficient number, since it is larger than the sum of its proper divisors (9556511).

32512225 is a wasteful number, since it uses less digits than its factorization.

32512225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56576 (or 56571 counting only the distinct ones).

The product of its digits is 1200, while the sum is 22.

The square root of 32512225 is about 5701.9492281149. The cubic root of 32512225 is about 319.1652233193.

Adding to 32512225 its reverse (52221523), we get a palindrome (84733748).

It can be divided in two parts, 3251 and 2225, that added together give a square (5476 = 74²).

The spelling of 32512225 in words is "thirty-two million, five hundred twelve thousand, two hundred twenty-five".