4031542 has 4 divisors (see below), whose sum is σ = 6047316. Its totient is φ = 2015770.

The previous prime is 4031539. The next prime is 4031543. The reversal of 4031542 is 2451304.

4031542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4031543) 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 as a sum of consecutive naturals, namely, 1007884 + ... + 1007887.

It is an arithmetic number, because the mean of its divisors is an integer number (1511829).

Almost surely, 2^4031542 is an apocalyptic number.

4031542 is a deficient number, since it is larger than the sum of its proper divisors (2015774).

4031542 is a wasteful number, since it uses less digits than its factorization.

4031542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015773.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 4031542 is about 2007.8700157132. The cubic root of 4031542 is about 159.1562616055.

Adding to 4031542 its reverse (2451304), we get a palindrome (6482846).

The spelling of 4031542 in words is "four million, thirty-one thousand, five hundred forty-two".