2057169 has 4 divisors (see below), whose sum is σ = 2742896. Its totient is φ = 1371444.

The previous prime is 2057147. The next prime is 2057177. The reversal of 2057169 is 9617502.

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 2057169 - 2⁵ = 2057137 is a prime.

It is a super-2 number, since 2×2057169² = 8463888589122, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2057179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342859 + ... + 342864.

It is an arithmetic number, because the mean of its divisors is an integer number (685724).

2^2057169 is an apocalyptic number.

It is an amenable number.

2057169 is a deficient number, since it is larger than the sum of its proper divisors (685727).

2057169 is an equidigital number, since it uses as much as digits as its factorization.

2057169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685726.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 2057169 is about 1434.2834447905. The cubic root of 2057169 is about 127.1813187034.

The spelling of 2057169 in words is "two million, fifty-seven thousand, one hundred sixty-nine".