2566365 has 8 divisors (see below), whose sum is σ = 4106208. Its totient is φ = 1368720.

The previous prime is 2566351. The next prime is 2566367. The reversal of 2566365 is 5636652.

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

It is not a de Polignac number, because 2566365 - 2⁷ = 2566237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566367) 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, 85531 + ... + 85560.

It is an arithmetic number, because the mean of its divisors is an integer number (513276).

2^2566365 is an apocalyptic number.

It is an amenable number.

2566365 is a deficient number, since it is larger than the sum of its proper divisors (1539843).

2566365 is a wasteful number, since it uses less digits than its factorization.

2566365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171099.

The product of its digits is 32400, while the sum is 33.

The square root of 2566365 is about 1601.9878276691. The cubic root of 2566365 is about 136.9113568690.

The spelling of 2566365 in words is "two million, five hundred sixty-six thousand, three hundred sixty-five".