2542678 has 4 divisors (see below), whose sum is σ = 3814020. Its totient is φ = 1271338.

The previous prime is 2542669. The next prime is 2542681. The reversal of 2542678 is 8762452.

2542678 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 super-2 number, since 2×2542678² = 12930422823368, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹² + 5⁸ + 4 + 2²¹ + 6⁶ + 7² + 8⁴ .

It is a congruent number.

It is an unprimeable number.

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, 635668 + ... + 635671.

It is an arithmetic number, because the mean of its divisors is an integer number (953505).

2^2542678 is an apocalyptic number.

2542678 is a deficient number, since it is larger than the sum of its proper divisors (1271342).

2542678 is a wasteful number, since it uses less digits than its factorization.

2542678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271341.

The product of its digits is 26880, while the sum is 34.

The square root of 2542678 is about 1594.5776870382. The cubic root of 2542678 is about 136.4888334105.

The spelling of 2542678 in words is "two million, five hundred forty-two thousand, six hundred seventy-eight".