4042481 has 8 divisors (see below), whose sum is σ = 4298184. Its totient is φ = 3788800.

The previous prime is 4042471. The next prime is 4042501. The reversal of 4042481 is 1842404.

It can be written as a sum of positive squares in 4 ways, for example, as 2640625 + 1401856 = 1625^2 + 1184^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4042481 - 2⁶ = 4042417 is a prime.

It is a super-2 number, since 2×4042481² = 32683305270722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6521 + ... + 7113.

It is an arithmetic number, because the mean of its divisors is an integer number (537273).

Almost surely, 2^4042481 is an apocalyptic number.

It is an amenable number.

4042481 is a deficient number, since it is larger than the sum of its proper divisors (255703).

4042481 is a wasteful number, since it uses less digits than its factorization.

4042481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011.

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 4042481 is about 2010.5922013178. The cubic root of 4042481 is about 159.3000806914.

Adding to 4042481 its reverse (1842404), we get a palindrome (5884885).

The spelling of 4042481 in words is "four million, forty-two thousand, four hundred eighty-one".