3200161 has 4 divisors (see below), whose sum is σ = 3303424. Its totient is φ = 3096900.

The previous prime is 3200159. The next prime is 3200177. The reversal of 3200161 is 1610023.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1610023 = 23 ⋅70001.

It is not a de Polignac number, because 3200161 - 2¹ = 3200159 is a prime.

It is a Duffinian number.

3200161 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3200111) 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, 51585 + ... + 51646.

It is an arithmetic number, because the mean of its divisors is an integer number (825856).

Almost surely, 2^3200161 is an apocalyptic number.

3200161 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3200161 is a deficient number, since it is larger than the sum of its proper divisors (103263).

3200161 is a wasteful number, since it uses less digits than its factorization.

3200161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103262.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 3200161 is about 1788.8993823019. The cubic root of 3200161 is about 147.3637312753.

Adding to 3200161 its reverse (1610023), we get a palindrome (4810184).

The spelling of 3200161 in words is "three million, two hundred thousand, one hundred sixty-one".