2056169 has 4 divisors (see below), whose sum is σ = 2059344. Its totient is φ = 2052996.

The previous prime is 2056157. The next prime is 2056193. The reversal of 2056169 is 9616502.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2056169 is a prime.

It is a super-2 number, since 2×2056169² = 8455661913122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2056139) 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, 227 + ... + 2040.

It is an arithmetic number, because the mean of its divisors is an integer number (514836).

2^2056169 is an apocalyptic number.

It is an amenable number.

2056169 is a deficient number, since it is larger than the sum of its proper divisors (3175).

2056169 is an equidigital number, since it uses as much as digits as its factorization.

2056169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3174.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 2056169 is about 1433.9347962861. The cubic root of 2056169 is about 127.1607075412.

The spelling of 2056169 in words is "two million, fifty-six thousand, one hundred sixty-nine".