2889569 has 2 divisors, whose sum is σ = 2889570. Its totient is φ = 2889568.

The previous prime is 2889547. The next prime is 2889571. The reversal of 2889569 is 9659882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2739025 + 150544 = 1655^2 + 388^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2889569 is a prime.

It is a super-2 number, since 2×2889569² = 16699218011522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 2889571, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2889529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1444784 + 1444785.

It is an arithmetic number, because the mean of its divisors is an integer number (1444785).

2^2889569 is an apocalyptic number.

It is an amenable number.

2889569 is a deficient number, since it is larger than the sum of its proper divisors (1).

2889569 is an equidigital number, since it uses as much as digits as its factorization.

2889569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 47.

The square root of 2889569 is about 1699.8732305675. The cubic root of 2889569 is about 142.4331316514.

The spelling of 2889569 in words is "two million, eight hundred eighty-nine thousand, five hundred sixty-nine".