2563365 has 16 divisors (see below), whose sum is σ = 4687488. Its totient is φ = 1171776.

The previous prime is 2563357. The next prime is 2563367. The reversal of 2563365 is 5633652.

2563365 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2563365 - 2³ = 2563357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2563367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12102 + ... + 12311.

It is an arithmetic number, because the mean of its divisors is an integer number (292968).

2^2563365 is an apocalyptic number.

It is an amenable number.

2563365 is a deficient number, since it is larger than the sum of its proper divisors (2124123).

2563365 is a wasteful number, since it uses less digits than its factorization.

2563365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24428.

The product of its digits is 16200, while the sum is 30.

The square root of 2563365 is about 1601.0512171695. The cubic root of 2563365 is about 136.8579877107.

The spelling of 2563365 in words is "two million, five hundred sixty-three thousand, three hundred sixty-five".