2542668 has 12 divisors (see below), whose sum is σ = 5932920. Its totient is φ = 847552.

The previous prime is 2542649. The next prime is 2542669. The reversal of 2542668 is 8662452.

It is a tau number, because it is divible by the number of its divisors (12).

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (2542669) 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, 105933 + ... + 105956.

It is an arithmetic number, because the mean of its divisors is an integer number (494410).

2^2542668 is an apocalyptic number.

It is an amenable number.

2542668 is an abundant number, since it is smaller than the sum of its proper divisors (3390252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2542668 is a wasteful number, since it uses less digits than its factorization.

2542668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211896 (or 211894 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 2542668 is about 1594.5745514086. The cubic root of 2542668 is about 136.4886544797.

The spelling of 2542668 in words is "two million, five hundred forty-two thousand, six hundred sixty-eight".