2542918 has 16 divisors (see below), whose sum is σ = 4425984. Its totient is φ = 1073160.

The previous prime is 2542913. The next prime is 2542919. The reversal of 2542918 is 8192452.

2542918 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2542918.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542913) 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 7 ways as a sum of consecutive naturals, for example, 418 + ... + 2293.

It is an arithmetic number, because the mean of its divisors is an integer number (276624).

2^2542918 is an apocalyptic number.

2542918 is a deficient number, since it is larger than the sum of its proper divisors (1883066).

2542918 is a wasteful number, since it uses less digits than its factorization.

2542918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2787.

The product of its digits is 5760, while the sum is 31.

The square root of 2542918 is about 1594.6529402977. The cubic root of 2542918 is about 136.4931276087.

The spelling of 2542918 in words is "two million, five hundred forty-two thousand, nine hundred eighteen".