2542042 has 8 divisors (see below), whose sum is σ = 3894336. Its totient is φ = 1243932.

The previous prime is 2542037. The next prime is 2542049. The reversal of 2542042 is 2402452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2542049) 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, 13428 + ... + 13615.

It is an arithmetic number, because the mean of its divisors is an integer number (486792).

2^2542042 is an apocalyptic number.

2542042 is a deficient number, since it is larger than the sum of its proper divisors (1352294).

2542042 is a wasteful number, since it uses less digits than its factorization.

2542042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27092.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 2542042 is about 1594.3782487227. The cubic root of 2542042 is about 136.4774524785.

Adding to 2542042 its reverse (2402452), we get a palindrome (4944494).

The spelling of 2542042 in words is "two million, five hundred forty-two thousand, forty-two".