2554042 has 4 divisors (see below), whose sum is σ = 3831066. Its totient is φ = 1277020.

The previous prime is 2554039. The next prime is 2554043. The reversal of 2554042 is 2404552.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1301881 + 1252161 = 1141^2 + 1119^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2554043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 638509 + ... + 638512.

2^2554042 is an apocalyptic number.

2554042 is a deficient number, since it is larger than the sum of its proper divisors (1277024).

2554042 is a wasteful number, since it uses less digits than its factorization.

2554042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277023.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 2554042 is about 1598.1370404318. The cubic root of 2554042 is about 136.6918679152.

Adding to 2554042 its reverse (2404552), we get a palindrome (4958594).

The spelling of 2554042 in words is "two million, five hundred fifty-four thousand, forty-two".