2545766 has 4 divisors (see below), whose sum is σ = 3818652. Its totient is φ = 1272882.

The previous prime is 2545759. The next prime is 2545769. The reversal of 2545766 is 6675452.

2545766 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545769) 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 as a sum of consecutive naturals, namely, 636440 + ... + 636443.

It is an arithmetic number, because the mean of its divisors is an integer number (954663).

2^2545766 is an apocalyptic number.

2545766 is a deficient number, since it is larger than the sum of its proper divisors (1272886).

2545766 is a wasteful number, since it uses less digits than its factorization.

2545766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272885.

The product of its digits is 50400, while the sum is 35.

The square root of 2545766 is about 1595.5456746831. The cubic root of 2545766 is about 136.5440648121.

The spelling of 2545766 in words is "two million, five hundred forty-five thousand, seven hundred sixty-six".