3159161 has 4 divisors (see below), whose sum is σ = 3345012. Its totient is φ = 2973312.

The previous prime is 3159157. The next prime is 3159181. The reversal of 3159161 is 1619513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1619513 = 7 ⋅231359.

It can be written as a sum of positive squares in 2 ways, for example, as 2016400 + 1142761 = 1420^2 + 1069^2 .

It is a cyclic number.

It is not a de Polignac number, because 3159161 - 2² = 3159157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3159161.

It is not an unprimeable number, because it can be changed into a prime (3159151) 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, 92900 + ... + 92933.

It is an arithmetic number, because the mean of its divisors is an integer number (836253).

Almost surely, 2^3159161 is an apocalyptic number.

It is an amenable number.

3159161 is a deficient number, since it is larger than the sum of its proper divisors (185851).

3159161 is a wasteful number, since it uses less digits than its factorization.

3159161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185850.

The product of its digits is 810, while the sum is 26.

The square root of 3159161 is about 1777.4028806098. The cubic root of 3159161 is about 146.7316900617.

The spelling of 3159161 in words is "three million, one hundred fifty-nine thousand, one hundred sixty-one".