2541566 has 8 divisors (see below), whose sum is σ = 3935424. Its totient is φ = 1229760.

The previous prime is 2541563. The next prime is 2541593. The reversal of 2541566 is 6651452.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2541563) 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, 20435 + ... + 20558.

It is an arithmetic number, because the mean of its divisors is an integer number (491928).

2^2541566 is an apocalyptic number.

2541566 is a deficient number, since it is larger than the sum of its proper divisors (1393858).

2541566 is a wasteful number, since it uses less digits than its factorization.

2541566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41026.

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

The square root of 2541566 is about 1594.2289672440. The cubic root of 2541566 is about 136.4689334319.

The spelling of 2541566 in words is "two million, five hundred forty-one thousand, five hundred sixty-six".