2542194 has 12 divisors (see below), whose sum is σ = 5508126. Its totient is φ = 847392.

The previous prime is 2542193. The next prime is 2542201. The reversal of 2542194 is 4912452.

2542194 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., 2442969 + 99225 = 1563^2 + 315^2 .

It is not an unprimeable number, because it can be changed into a prime (2542193) 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 5 ways as a sum of consecutive naturals, for example, 70599 + ... + 70634.

2^2542194 is an apocalyptic number.

2542194 is an abundant number, since it is smaller than the sum of its proper divisors (2965932).

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

2542194 is a wasteful number, since it uses less digits than its factorization.

2542194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141241 (or 141238 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 2542194 is about 1594.4259154944. The cubic root of 2542194 is about 136.4801726223.

The spelling of 2542194 in words is "two million, five hundred forty-two thousand, one hundred ninety-four".