2563536 has 20 divisors (see below), whose sum is σ = 6622592. Its totient is φ = 854496.

The previous prime is 2563523. The next prime is 2563543. The reversal of 2563536 is 6353652.

2563536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a d-powerful number, because it can be written as 2⁹ + 5⁷ + 6² + 3⁴ + 5⁹ + 3¹² + 6³ .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 26656 + ... + 26751.

2^2563536 is an apocalyptic number.

It is an amenable number.

2563536 is an abundant number, since it is smaller than the sum of its proper divisors (4059056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2563536 is a wasteful number, since it uses less digits than its factorization.

2563536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53418 (or 53412 counting only the distinct ones).

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

The square root of 2563536 is about 1601.1046186930. The cubic root of 2563536 is about 136.8610308715.

The spelling of 2563536 in words is "two million, five hundred sixty-three thousand, five hundred thirty-six".