2575966 has 4 divisors (see below), whose sum is σ = 3863952. Its totient is φ = 1287982.

The previous prime is 2575943. The next prime is 2575967. The reversal of 2575966 is 6695752.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2575967) by changing a digit.

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 as a sum of consecutive naturals, namely, 643990 + ... + 643993.

It is an arithmetic number, because the mean of its divisors is an integer number (965988).

2^2575966 is an apocalyptic number.

2575966 is a deficient number, since it is larger than the sum of its proper divisors (1287986).

2575966 is a wasteful number, since it uses less digits than its factorization.

2575966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287985.

The product of its digits is 113400, while the sum is 40.

The square root of 2575966 is about 1604.9816198325. The cubic root of 2575966 is about 137.0818769278.

The spelling of 2575966 in words is "two million, five hundred seventy-five thousand, nine hundred sixty-six".