2641559 has 2 divisors, whose sum is σ = 2641560. Its totient is φ = 2641558.

The previous prime is 2641553. The next prime is 2641567. The reversal of 2641559 is 9551462.

It is a happy number.

2641559 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2641559 - 2⁴ = 2641543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2641553) 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, 1320779 + 1320780.

It is an arithmetic number, because the mean of its divisors is an integer number (1320780).

2^2641559 is an apocalyptic number.

2641559 is a deficient number, since it is larger than the sum of its proper divisors (1).

2641559 is an equidigital number, since it uses as much as digits as its factorization.

2641559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 32.

The square root of 2641559 is about 1625.2873592076. The cubic root of 2641559 is about 138.2356646756.

Subtracting 2641559 from its reverse (9551462), we obtain a triangular number (6909903 = T₃₇₁₇).

The spelling of 2641559 in words is "two million, six hundred forty-one thousand, five hundred fifty-nine".