2048161 has 4 divisors (see below), whose sum is σ = 2076292. Its totient is φ = 2020032.

The previous prime is 2048159. The next prime is 2048171. The reversal of 2048161 is 1618402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1618402 = 2 ⋅809201.

It can be written as a sum of positive squares in 2 ways, for example, as 1134225 + 913936 = 1065^2 + 956^2 .

It is a cyclic number.

It is not a de Polignac number, because 2048161 - 2¹ = 2048159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2048131) 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, 13956 + ... + 14101.

It is an arithmetic number, because the mean of its divisors is an integer number (519073).

2^2048161 is an apocalyptic number.

It is an amenable number.

2048161 is a deficient number, since it is larger than the sum of its proper divisors (28131).

2048161 is an equidigital number, since it uses as much as digits as its factorization.

2048161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28130.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 2048161 is about 1431.1397555794. The cubic root of 2048161 is about 126.9954118251.

It can be divided in two parts, 2048 and 161, that added together give a square (2209 = 47²).

The spelling of 2048161 in words is "two million, forty-eight thousand, one hundred sixty-one".