32985161 has 4 divisors (see below), whose sum is σ = 35983824. Its totient is φ = 29986500.

The previous prime is 32985149. The next prime is 32985163. The reversal of 32985161 is 16158923.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 32985161 - 2⁶ = 32985097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32985163) 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 3 ways as a sum of consecutive naturals, for example, 1499315 + ... + 1499336.

It is an arithmetic number, because the mean of its divisors is an integer number (8995956).

Almost surely, 2^32985161 is an apocalyptic number.

It is an amenable number.

32985161 is a deficient number, since it is larger than the sum of its proper divisors (2998663).

32985161 is a wasteful number, since it uses less digits than its factorization.

32985161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2998662.

The product of its digits is 12960, while the sum is 35.

The square root of 32985161 is about 5743.2709321431. The cubic root of 32985161 is about 320.7053484158.

The spelling of 32985161 in words is "thirty-two million, nine hundred eighty-five thousand, one hundred sixty-one".