2559155 has 4 divisors (see below), whose sum is σ = 3070992. Its totient is φ = 2047320.

The previous prime is 2559149. The next prime is 2559173. The reversal of 2559155 is 5519552.

2559155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2559155 - 2¹⁰ = 2558131 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 255911 + ... + 255920.

It is an arithmetic number, because the mean of its divisors is an integer number (767748).

2^2559155 is an apocalyptic number.

2559155 is a deficient number, since it is larger than the sum of its proper divisors (511837).

2559155 is an equidigital number, since it uses as much as digits as its factorization.

2559155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511836.

The product of its digits is 11250, while the sum is 32.

The square root of 2559155 is about 1599.7359157061. The cubic root of 2559155 is about 136.7830227270.

The spelling of 2559155 in words is "two million, five hundred fifty-nine thousand, one hundred fifty-five".