2569841 has 2 divisors, whose sum is σ = 2569842. Its totient is φ = 2569840.

The previous prime is 2569823. The next prime is 2569891. The reversal of 2569841 is 1489652.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2496400 + 73441 = 1580^2 + 271^2 .

It is a cyclic number.

It is not a de Polignac number, because 2569841 - 2¹⁰ = 2568817 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2569891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1284920 + 1284921.

It is an arithmetic number, because the mean of its divisors is an integer number (1284921).

2^2569841 is an apocalyptic number.

It is an amenable number.

2569841 is a deficient number, since it is larger than the sum of its proper divisors (1).

2569841 is an equidigital number, since it uses as much as digits as its factorization.

2569841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 35.

The square root of 2569841 is about 1603.0723626836. The cubic root of 2569841 is about 136.9731419458.

The spelling of 2569841 in words is "two million, five hundred sixty-nine thousand, eight hundred forty-one".