2559121 has 2 divisors, whose sum is σ = 2559122. Its totient is φ = 2559120.

The previous prime is 2559101. The next prime is 2559131. The reversal of 2559121 is 1219552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2062096 + 497025 = 1436^2 + 705^2 .

It is a cyclic number.

It is not a de Polignac number, because 2559121 - 2⁹ = 2558609 is a prime.

It is not a weakly prime, because it can be changed into another prime (2559101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1279560 + 1279561.

It is an arithmetic number, because the mean of its divisors is an integer number (1279561).

2^2559121 is an apocalyptic number.

It is an amenable number.

2559121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2559121 is an equidigital number, since it uses as much as digits as its factorization.

2559121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 900, while the sum is 25.

The square root of 2559121 is about 1599.7252889168. The cubic root of 2559121 is about 136.7824169745.

The spelling of 2559121 in words is "two million, five hundred fifty-nine thousand, one hundred twenty-one".