5023181 has 4 divisors (see below), whose sum is σ = 5118012. Its totient is φ = 4928352.

The previous prime is 5023169. The next prime is 5023199. The reversal of 5023181 is 1813205.

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 2102500 + 2920681 = 1450^2 + 1709^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5023181 is a prime.

It is a super-2 number, since 2×5023181² = 50464694717522, 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 (5023111) 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, 47336 + ... + 47441.

It is an arithmetic number, because the mean of its divisors is an integer number (1279503).

Almost surely, 2^5023181 is an apocalyptic number.

It is an amenable number.

5023181 is a deficient number, since it is larger than the sum of its proper divisors (94831).

5023181 is an equidigital number, since it uses as much as digits as its factorization.

5023181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94830.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 5023181 is about 2241.2454127114. The cubic root of 5023181 is about 171.2614470122.

Adding to 5023181 its reverse (1813205), we get a palindrome (6836386).

The spelling of 5023181 in words is "five million, twenty-three thousand, one hundred eighty-one".