4024981 has 2 divisors, whose sum is σ = 4024982. Its totient is φ = 4024980.

The previous prime is 4024973. The next prime is 4025003. The reversal of 4024981 is 1894204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2739025 + 1285956 = 1655^2 + 1134^2 .

It is a cyclic number.

It is not a de Polignac number, because 4024981 - 2³ = 4024973 is a prime.

It is a super-2 number, since 2×4024981² = 32400944100722, which contains 22 as substring.

4024981 is a lucky number.

It is a zygodrome in base 4.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4024961) 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, 2012490 + 2012491.

It is an arithmetic number, because the mean of its divisors is an integer number (2012491).

Almost surely, 2^4024981 is an apocalyptic number.

It is an amenable number.

4024981 is a deficient number, since it is larger than the sum of its proper divisors (1).

4024981 is an equidigital number, since it uses as much as digits as its factorization.

4024981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 4024981 is about 2006.2355295428. The cubic root of 4024981 is about 159.0698768584.

It can be divided in two parts, 4024 and 981, that added together give a palindrome (5005).

The spelling of 4024981 in words is "four million, twenty-four thousand, nine hundred eighty-one".