2455565 has 16 divisors (see below), whose sum is σ = 3566592. Its totient is φ = 1584384.

The previous prime is 2455561. The next prime is 2455577. The reversal of 2455565 is 5655542.

It is a cyclic number.

It is not a de Polignac number, because 2455565 - 2² = 2455561 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2455561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1469 + ... + 2658.

It is an arithmetic number, because the mean of its divisors is an integer number (222912).

2^2455565 is an apocalyptic number.

It is an amenable number.

2455565 is a deficient number, since it is larger than the sum of its proper divisors (1111027).

2455565 is a wasteful number, since it uses less digits than its factorization.

2455565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4156.

The product of its digits is 30000, while the sum is 32.

The square root of 2455565 is about 1567.0242499719. The cubic root of 2455565 is about 134.9119682139.

The spelling of 2455565 in words is "two million, four hundred fifty-five thousand, five hundred sixty-five".