2565273 has 8 divisors (see below), whose sum is σ = 3447808. Its totient is φ = 1696464.

The previous prime is 2565263. The next prime is 2565289. The reversal of 2565273 is 3725652.

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

It is not a de Polignac number, because 2565273 - 2⁴ = 2565257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2565273.

It is not an unprimeable number, because it can be changed into a prime (2565203) 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, 2986 + ... + 3747.

It is an arithmetic number, because the mean of its divisors is an integer number (430976).

2^2565273 is an apocalyptic number.

It is an amenable number.

2565273 is a deficient number, since it is larger than the sum of its proper divisors (882535).

2565273 is a wasteful number, since it uses less digits than its factorization.

2565273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6863.

The product of its digits is 12600, while the sum is 30.

The square root of 2565273 is about 1601.6469648459. The cubic root of 2565273 is about 136.8919353120.

The spelling of 2565273 in words is "two million, five hundred sixty-five thousand, two hundred seventy-three".