2085569 has 2 divisors, whose sum is σ = 2085570. Its totient is φ = 2085568.

The previous prime is 2085539. The next prime is 2085599. The reversal of 2085569 is 9655802.

It is a balanced prime because it is at equal distance from previous prime (2085539) and next prime (2085599).

It can be written as a sum of positive squares in only one way, i.e., 2016400 + 69169 = 1420^2 + 263^2 .

It is a cyclic number.

It is not a de Polignac number, because 2085569 - 2¹² = 2081473 is a prime.

It is a super-2 number, since 2×2085569² = 8699196107522, which contains 22 as substring.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 0 + 8³ + 5³ + 5⁹ + 6 + 9³ .

It is not a weakly prime, because it can be changed into another prime (2085539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1042784 + 1042785.

It is an arithmetic number, because the mean of its divisors is an integer number (1042785).

2^2085569 is an apocalyptic number.

It is an amenable number.

2085569 is a deficient number, since it is larger than the sum of its proper divisors (1).

2085569 is an equidigital number, since it uses as much as digits as its factorization.

2085569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 2085569 is about 1444.1499229651. The cubic root of 2085569 is about 127.7639080654.

The spelling of 2085569 in words is "two million, eighty-five thousand, five hundred sixty-nine".