2559545 has 4 divisors (see below), whose sum is σ = 3071460. Its totient is φ = 2047632.

The previous prime is 2559541. The next prime is 2559553. The reversal of 2559545 is 5459552.

2559545 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 can be written as a sum of positive squares in 2 ways, for example, as 1658944 + 900601 = 1288^2 + 949^2 .

It is a cyclic number.

It is not a de Polignac number, because 2559545 - 2² = 2559541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2559541) 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 in 3 ways as a sum of consecutive naturals, for example, 255950 + ... + 255959.

It is an arithmetic number, because the mean of its divisors is an integer number (767865).

2^2559545 is an apocalyptic number.

It is an amenable number.

2559545 is a deficient number, since it is larger than the sum of its proper divisors (511915).

2559545 is an equidigital number, since it uses as much as digits as its factorization.

2559545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511914.

The product of its digits is 45000, while the sum is 35.

The square root of 2559545 is about 1599.8578061815. The cubic root of 2559545 is about 136.7899706804.

The spelling of 2559545 in words is "two million, five hundred fifty-nine thousand, five hundred forty-five".