2566536 has 32 divisors (see below), whose sum is σ = 7333440. Its totient is φ = 733248.

The previous prime is 2566519. The next prime is 2566549. The reversal of 2566536 is 6356652.

It is a junction number, because it is equal to n+sod(n) for n = 2566497 and 2566506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7471 + ... + 7806.

It is an arithmetic number, because the mean of its divisors is an integer number (229170).

2^2566536 is an apocalyptic number.

It is an amenable number.

2566536 is an abundant number, since it is smaller than the sum of its proper divisors (4766904).

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

2566536 is a wasteful number, since it uses less digits than its factorization.

2566536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15293 (or 15289 counting only the distinct ones).

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

The square root of 2566536 is about 1602.0411979721. The cubic root of 2566536 is about 136.9143976578.

The spelling of 2566536 in words is "two million, five hundred sixty-six thousand, five hundred thirty-six".