5003681 has 4 divisors (see below), whose sum is σ = 5125764. Its totient is φ = 4881600.

The previous prime is 5003671. The next prime is 5003699. The reversal of 5003681 is 1863005.

5003681 is digitally balanced in base 3, 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 can be written as a sum of positive squares in 2 ways, for example, as 614656 + 4389025 = 784^2 + 2095^2 .

It is a cyclic number.

It is not a de Polignac number, because 5003681 - 2²² = 809377 is a prime.

It is a super-2 number, since 2×5003681² = 50073647099522, 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 (5003671) 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, 60980 + ... + 61061.

It is an arithmetic number, because the mean of its divisors is an integer number (1281441).

Almost surely, 2^5003681 is an apocalyptic number.

It is an amenable number.

5003681 is a deficient number, since it is larger than the sum of its proper divisors (122083).

5003681 is a wasteful number, since it uses less digits than its factorization.

5003681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122082.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 5003681 is about 2236.8909226871. The cubic root of 5003681 is about 171.0395471839.

Adding to 5003681 its reverse (1863005), we get a palindrome (6866686).

It can be divided in two parts, 5003 and 681, that multiplied together give a palindrome (3407043).

The spelling of 5003681 in words is "five million, three thousand, six hundred eighty-one".