3285161 has 4 divisors (see below), whose sum is σ = 3583824. Its totient is φ = 2986500.

The previous prime is 3285127. The next prime is 3285167. The reversal of 3285161 is 1615823.

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: 1615823 = 11 ⋅146893.

It is not a de Polignac number, because 3285161 - 2¹⁰ = 3284137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3285161.

It is not an unprimeable number, because it can be changed into a prime (3285167) 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, 149315 + ... + 149336.

It is an arithmetic number, because the mean of its divisors is an integer number (895956).

Almost surely, 2^3285161 is an apocalyptic number.

It is an amenable number.

3285161 is a deficient number, since it is larger than the sum of its proper divisors (298663).

3285161 is a wasteful number, since it uses less digits than its factorization.

3285161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298662.

The product of its digits is 1440, while the sum is 26.

The square root of 3285161 is about 1812.5013103444. The cubic root of 3285161 is about 148.6570645620.

The spelling of 3285161 in words is "three million, two hundred eighty-five thousand, one hundred sixty-one".