2545784 has 16 divisors (see below), whose sum is σ = 5054400. Its totient is φ = 1197952.

The previous prime is 2545783. The next prime is 2545811. The reversal of 2545784 is 4875452.

2545784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545783) 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 3 ways as a sum of consecutive naturals, for example, 9224 + ... + 9495.

It is an arithmetic number, because the mean of its divisors is an integer number (315900).

2^2545784 is an apocalyptic number.

It is an amenable number.

2545784 is a deficient number, since it is larger than the sum of its proper divisors (2508616).

2545784 is a wasteful number, since it uses less digits than its factorization.

2545784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18742 (or 18738 counting only the distinct ones).

The product of its digits is 44800, while the sum is 35.

The square root of 2545784 is about 1595.5513153766. The cubic root of 2545784 is about 136.5443866258.

The spelling of 2545784 in words is "two million, five hundred forty-five thousand, seven hundred eighty-four".