4053442 has 4 divisors (see below), whose sum is σ = 6080166. Its totient is φ = 2026720.

The previous prime is 4053437. The next prime is 4053443. The reversal of 4053442 is 2443504.

It is a happy number.

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., 3682561 + 370881 = 1919^2 + 609^2 .

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 not an unprimeable number, because it can be changed into a prime (4053443) 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, 1013359 + ... + 1013362.

Almost surely, 2^4053442 is an apocalyptic number.

4053442 is a deficient number, since it is larger than the sum of its proper divisors (2026724).

4053442 is a wasteful number, since it uses less digits than its factorization.

4053442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2026723.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 4053442 is about 2013.3161699048. The cubic root of 4053442 is about 159.4439290205.

Adding to 4053442 its reverse (2443504), we get a palindrome (6496946).

The spelling of 4053442 in words is "four million, fifty-three thousand, four hundred forty-two".