4042281 has 16 divisors (see below), whose sum is σ = 5644800. Its totient is φ = 2569728.

The previous prime is 4042271. The next prime is 4042303. The reversal of 4042281 is 1822404.

It is not a de Polignac number, because 4042281 - 2⁵ = 4042249 is a prime.

It is a super-2 number, since 2×4042281² = 32680071365922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4042211) 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 in 15 ways as a sum of consecutive naturals, for example, 8200 + ... + 8678.

It is an arithmetic number, because the mean of its divisors is an integer number (352800).

Almost surely, 2^4042281 is an apocalyptic number.

It is an amenable number.

4042281 is a deficient number, since it is larger than the sum of its proper divisors (1602519).

4042281 is a wasteful number, since it uses less digits than its factorization.

4042281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 4042281 is about 2010.5424641126. The cubic root of 4042281 is about 159.2974535472.

Adding to 4042281 its reverse (1822404), we get a palindrome (5864685).

The spelling of 4042281 in words is "four million, forty-two thousand, two hundred eighty-one".