32545216 has 28 divisors (see below), whose sum is σ = 70454520. Its totient is φ = 14792960.

The previous prime is 32545189. The next prime is 32545223. The reversal of 32545216 is 61254523.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 22411 + ... + 23818.

Almost surely, 2^32545216 is an apocalyptic number.

It is an amenable number.

32545216 is an abundant number, since it is smaller than the sum of its proper divisors (37909304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32545216 is a wasteful number, since it uses less digits than its factorization.

32545216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46252 (or 46242 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 32545216 is about 5704.8414526611. The cubic root of 32545216 is about 319.2731419083.

Adding to 32545216 its reverse (61254523), we get a palindrome (93799739).

It can be divided in two parts, 32545 and 216, that added together give a square (32761 = 181²).

The spelling of 32545216 in words is "thirty-two million, five hundred forty-five thousand, two hundred sixteen".