2560266 has 12 divisors (see below), whose sum is σ = 5547282. Its totient is φ = 853416.

The previous prime is 2560247. The next prime is 2560273. The reversal of 2560266 is 6620652.

It can be written as a sum of positive squares in only one way, i.e., 1879641 + 680625 = 1371^2 + 825^2 .

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 71101 + ... + 71136.

2^2560266 is an apocalyptic number.

2560266 is an abundant number, since it is smaller than the sum of its proper divisors (2987016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2560266 is a wasteful number, since it uses less digits than its factorization.

2560266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142245 (or 142242 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2560266 is about 1600.0831228408. The cubic root of 2560266 is about 136.8028136284.

The spelling of 2560266 in words is "two million, five hundred sixty thousand, two hundred sixty-six".