2566465 has 8 divisors (see below), whose sum is σ = 3359808. Its totient is φ = 1866480.

The previous prime is 2566433. The next prime is 2566469. The reversal of 2566465 is 5646652.

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

It is not a de Polignac number, because 2566465 - 2⁵ = 2566433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2566465.

It is not an unprimeable number, because it can be changed into a prime (2566469) 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, 23277 + ... + 23386.

It is an arithmetic number, because the mean of its divisors is an integer number (419976).

2^2566465 is an apocalyptic number.

It is an amenable number.

2566465 is a deficient number, since it is larger than the sum of its proper divisors (793343).

2566465 is a wasteful number, since it uses less digits than its factorization.

2566465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46679.

The product of its digits is 43200, while the sum is 34.

The square root of 2566465 is about 1602.0190385885. The cubic root of 2566465 is about 136.9131351244.

The spelling of 2566465 in words is "two million, five hundred sixty-six thousand, four hundred sixty-five".