2559609 has 24 divisors (see below), whose sum is σ = 4036032. Its totient is φ = 1553760.

The previous prime is 2559607. The next prime is 2559611. The reversal of 2559609 is 9069552.

It is an interprime number because it is at equal distance from previous prime (2559607) and next prime (2559611).

It is not a de Polignac number, because 2559609 - 2¹ = 2559607 is a prime.

2559609 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2559607) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15244 + ... + 15410.

It is an arithmetic number, because the mean of its divisors is an integer number (168168).

2^2559609 is an apocalyptic number.

It is an amenable number.

2559609 is a deficient number, since it is larger than the sum of its proper divisors (1476423).

2559609 is a wasteful number, since it uses less digits than its factorization.

2559609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 2559609 is about 1599.8778078341. The cubic root of 2559609 is about 136.7911107900.

The spelling of 2559609 in words is "two million, five hundred fifty-nine thousand, six hundred nine".