32552161 has 8 divisors (see below), whose sum is σ = 35269344. Its totient is φ = 29924160.

The previous prime is 32552147. The next prime is 32552171. The reversal of 32552161 is 16125523.

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 32552161 - 2⁷ = 32552033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32552171) 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 7 ways as a sum of consecutive naturals, for example, 21535 + ... + 22996.

It is an arithmetic number, because the mean of its divisors is an integer number (4408668).

Almost surely, 2^32552161 is an apocalyptic number.

It is an amenable number.

32552161 is a deficient number, since it is larger than the sum of its proper divisors (2717183).

32552161 is a wasteful number, since it uses less digits than its factorization.

32552161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44591.

The product of its digits is 1800, while the sum is 25.

The square root of 32552161 is about 5705.4501137071. The cubic root of 32552161 is about 319.2958507684.

Adding to 32552161 its reverse (16125523), we get a palindrome (48677684).

The spelling of 32552161 in words is "thirty-two million, five hundred fifty-two thousand, one hundred sixty-one".