4001113 has 4 divisors (see below), whose sum is σ = 4051840. Its totient is φ = 3950388.

The previous prime is 4001111. The next prime is 4001117. The reversal of 4001113 is 3111004.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4001113 - 2¹ = 4001111 is a prime.

It is a Duffinian number.

4001113 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4001113.

It is not an unprimeable number, because it can be changed into a prime (4001111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25245 + ... + 25402.

It is an arithmetic number, because the mean of its divisors is an integer number (1012960).

Almost surely, 2^4001113 is an apocalyptic number.

It is an amenable number.

4001113 is a deficient number, since it is larger than the sum of its proper divisors (50727).

4001113 is an equidigital number, since it uses as much as digits as its factorization.

4001113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50726.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 4001113 is about 2000.2782306469. The cubic root of 4001113 is about 158.7548269762.

Adding to 4001113 its reverse (3111004), we get a palindrome (7112117).

It can be divided in two parts, 4001 and 113, that added together give a palindrome (4114).

The spelling of 4001113 in words is "four million, one thousand, one hundred thirteen".