2048569 has 2 divisors, whose sum is σ = 2048570. Its totient is φ = 2048568.

The previous prime is 2048537. The next prime is 2048581. The reversal of 2048569 is 9658402.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1530169 + 518400 = 1237^2 + 720^2 .

It is a cyclic number.

It is not a de Polignac number, because 2048569 - 2⁵ = 2048537 is a prime.

It is a super-2 number, since 2×2048569² = 8393269895522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2048509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1024284 + 1024285.

It is an arithmetic number, because the mean of its divisors is an integer number (1024285).

2^2048569 is an apocalyptic number.

It is an amenable number.

2048569 is a deficient number, since it is larger than the sum of its proper divisors (1).

2048569 is an equidigital number, since it uses as much as digits as its factorization.

2048569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 2048569 is about 1431.2822922121. The cubic root of 2048569 is about 127.0038438913.

The spelling of 2048569 in words is "two million, forty-eight thousand, five hundred sixty-nine".