2567378 has 18 divisors (see below), whose sum is σ = 4274487. Its totient is φ = 1155660.

The previous prime is 2567377. The next prime is 2567387. The reversal of 2567378 is 8737652.

It is a happy number.

2567378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1283689 + 1283689 = 1133^2 + 1133^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=1133.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2567371) 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 8 ways as a sum of consecutive naturals, for example, 24875 + ... + 24977.

2^2567378 is an apocalyptic number.

2567378 is a deficient number, since it is larger than the sum of its proper divisors (1707109).

2567378 is a wasteful number, since it uses less digits than its factorization.

2567378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 116 counting only the distinct ones).

The product of its digits is 70560, while the sum is 38.

The square root of 2567378 is about 1602.3039661687. The cubic root of 2567378 is about 136.9293684613.

The spelling of 2567378 in words is "two million, five hundred sixty-seven thousand, three hundred seventy-eight".