2566541 has 8 divisors (see below), whose sum is σ = 2781504. Its totient is φ = 2358720.

The previous prime is 2566519. The next prime is 2566549. The reversal of 2566541 is 1456652.

2566541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2566541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566549) 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 7 ways as a sum of consecutive naturals, for example, 1025 + ... + 2486.

It is an arithmetic number, because the mean of its divisors is an integer number (347688).

2^2566541 is an apocalyptic number.

It is an amenable number.

2566541 is a deficient number, since it is larger than the sum of its proper divisors (214963).

2566541 is a wasteful number, since it uses less digits than its factorization.

2566541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3571.

The product of its digits is 7200, while the sum is 29.

The square root of 2566541 is about 1602.0427584806. The cubic root of 2566541 is about 136.9144865677.

It can be divided in two parts, 25 and 66541, that added together give a palindrome (66566).

The spelling of 2566541 in words is "two million, five hundred sixty-six thousand, five hundred forty-one".