2559667 has 8 divisors (see below), whose sum is σ = 2852352. Its totient is φ = 2277000.

The previous prime is 2559631. The next prime is 2559677. The reversal of 2559667 is 7669552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2559667 - 2¹⁹ = 2035379 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 1959 + ... + 2992.

It is an arithmetic number, because the mean of its divisors is an integer number (356544).

2^2559667 is an apocalyptic number.

2559667 is a deficient number, since it is larger than the sum of its proper divisors (292685).

2559667 is a wasteful number, since it uses less digits than its factorization.

2559667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5009.

The product of its digits is 113400, while the sum is 40.

The square root of 2559667 is about 1599.8959341157. The cubic root of 2559667 is about 136.7921439979.

The spelling of 2559667 in words is "two million, five hundred fifty-nine thousand, six hundred sixty-seven".