2536566 has 8 divisors (see below), whose sum is σ = 5073144. Its totient is φ = 845520.

The previous prime is 2536561. The next prime is 2536577. The reversal of 2536566 is 6656352.

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

2536566 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2536561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211375 + ... + 211386.

It is an arithmetic number, because the mean of its divisors is an integer number (634143).

2^2536566 is an apocalyptic number.

2536566 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2536566 is a wasteful number, since it uses less digits than its factorization.

2536566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422766.

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

The square root of 2536566 is about 1592.6600390542. The cubic root of 2536566 is about 136.3793833128.

The spelling of 2536566 in words is "two million, five hundred thirty-six thousand, five hundred sixty-six".