2259557 has 2 divisors, whose sum is σ = 2259558. Its totient is φ = 2259556.

The previous prime is 2259539. The next prime is 2259571. The reversal of 2259557 is 7559522.

2259557 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., 2217121 + 42436 = 1489^2 + 206^2 .

It is a cyclic number.

It is not a de Polignac number, because 2259557 - 2⁶ = 2259493 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 2²¹ + 5² + 9 + 5⁶ + 5⁶ + 7² .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2259527) 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, 1129778 + 1129779.

It is an arithmetic number, because the mean of its divisors is an integer number (1129779).

2^2259557 is an apocalyptic number.

It is an amenable number.

2259557 is a deficient number, since it is larger than the sum of its proper divisors (1).

2259557 is an equidigital number, since it uses as much as digits as its factorization.

2259557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31500, while the sum is 35.

The square root of 2259557 is about 1503.1822910080. The cubic root of 2259557 is about 131.2223367247. Note that the first 3 decimals are identical.

Subtracting from 2259557 its sum of digits (35), we obtain a palindrome (2259522).

The spelling of 2259557 in words is "two million, two hundred fifty-nine thousand, five hundred fifty-seven".