4042143425 has 6 divisors (see below), whose sum is σ = 5012257878. Its totient is φ = 3233714720.

The previous prime is 4042143401. The next prime is 4042143461. The reversal of 4042143425 is 5243412404.

It can be written as a sum of positive squares in 3 ways, for example, as 12306064 + 4029837361 = 3508^2 + 63481^2 .

It is not a de Polignac number, because 4042143425 - 2⁶ = 4042143361 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 80842844 + ... + 80842893.

It is an arithmetic number, because the mean of its divisors is an integer number (835376313).

Almost surely, 2^4042143425 is an apocalyptic number.

It is an amenable number.

4042143425 is a deficient number, since it is larger than the sum of its proper divisors (970114453).

4042143425 is a wasteful number, since it uses less digits than its factorization.

4042143425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161685747 (or 161685742 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 4042143425 is about 63577.8532588196. The cubic root of 4042143425 is about 1592.9564635012.

Adding to 4042143425 its reverse (5243412404), we get a palindrome (9285555829).

The spelling of 4042143425 in words is "four billion, forty-two million, one hundred forty-three thousand, four hundred twenty-five".