2565026 has 4 divisors (see below), whose sum is σ = 3847542. Its totient is φ = 1282512.

The previous prime is 2565023. The next prime is 2565047. The reversal of 2565026 is 6205652.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 1357225 + 1207801 = 1165^2 + 1099^2 .

It is a d-powerful number, because it can be written as 2¹⁶ + 5² + 6⁷ + 5⁶ + 0 + 2¹⁹ + 6⁸ .

It is a junction number, because it is equal to n+sod(n) for n = 2564986 and 2565004.

It is not an unprimeable number, because it can be changed into a prime (2565023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641255 + ... + 641258.

2^2565026 is an apocalyptic number.

2565026 is a deficient number, since it is larger than the sum of its proper divisors (1282516).

2565026 is a wasteful number, since it uses less digits than its factorization.

2565026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282515.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2565026 is about 1601.5698548612. The cubic root of 2565026 is about 136.8875415765.

The spelling of 2565026 in words is "two million, five hundred sixty-five thousand, twenty-six".