2559457 has 2 divisors, whose sum is σ = 2559458. Its totient is φ = 2559456.

The previous prime is 2559449. The next prime is 2559461. The reversal of 2559457 is 7549552.

2559457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2313441 + 246016 = 1521^2 + 496^2 .

It is a cyclic number.

It is not a de Polignac number, because 2559457 - 2³ = 2559449 is a prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 5⁵ + 5⁷ + 9³ + 4² + 5⁹ + 7² .

It is not a weakly prime, because it can be changed into another prime (2559437) 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, 1279728 + 1279729.

It is an arithmetic number, because the mean of its divisors is an integer number (1279729).

2^2559457 is an apocalyptic number.

It is an amenable number.

2559457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2559457 is an equidigital number, since it uses as much as digits as its factorization.

2559457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63000, while the sum is 37.

The square root of 2559457 is about 1599.8303035010. The cubic root of 2559457 is about 136.7884029988.

It can be divided in two parts, 25594 and 57, that added together give a triangular number (25651 = T₂₂₆).

The spelling of 2559457 in words is "two million, five hundred fifty-nine thousand, four hundred fifty-seven".