3217161 has 4 divisors (see below), whose sum is σ = 4289552. Its totient is φ = 2144772.

The previous prime is 3217157. The next prime is 3217177. The reversal of 3217161 is 1617123.

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 not a de Polignac number, because 3217161 - 2² = 3217157 is a prime.

It is a D-number.

It is a Duffinian number.

3217161 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3217121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536191 + ... + 536196.

It is an arithmetic number, because the mean of its divisors is an integer number (1072388).

Almost surely, 2^3217161 is an apocalyptic number.

It is an amenable number.

3217161 is a deficient number, since it is larger than the sum of its proper divisors (1072391).

3217161 is a wasteful number, since it uses less digits than its factorization.

3217161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072390.

The product of its digits is 252, while the sum is 21.

The square root of 3217161 is about 1793.6446136289. The cubic root of 3217161 is about 147.6242140487.

The spelling of 3217161 in words is "three million, two hundred seventeen thousand, one hundred sixty-one".