2542816 has 24 divisors (see below), whose sum is σ = 5042520. Its totient is φ = 1262208.

The previous prime is 2542759. The next prime is 2542817. The reversal of 2542816 is 6182452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7155 + ... + 7501.

It is an arithmetic number, because the mean of its divisors is an integer number (210105).

2^2542816 is an apocalyptic number.

It is an amenable number.

2542816 is a deficient number, since it is larger than the sum of its proper divisors (2499704).

2542816 is a wasteful number, since it uses less digits than its factorization.

2542816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586 (or 578 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 2542816 is about 1594.6209580963. The cubic root of 2542816 is about 136.4913026075.

The spelling of 2542816 in words is "two million, five hundred forty-two thousand, eight hundred sixteen".