2025566 has 8 divisors (see below), whose sum is σ = 3088344. Its totient is φ = 996120.

The previous prime is 2025557. The next prime is 2025577. The reversal of 2025566 is 6655202.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8180 + ... + 8423.

It is an arithmetic number, because the mean of its divisors is an integer number (386043).

2^2025566 is an apocalyptic number.

2025566 is a deficient number, since it is larger than the sum of its proper divisors (1062778).

2025566 is a wasteful number, since it uses less digits than its factorization.

2025566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16666.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2025566 is about 1423.2238053096. The cubic root of 2025566 is about 126.5266859290.

The spelling of 2025566 in words is "two million, twenty-five thousand, five hundred sixty-six".