4581131 has 8 divisors (see below), whose sum is σ = 4692480. Its totient is φ = 4471272.

The previous prime is 4581121. The next prime is 4581139. The reversal of 4581131 is 1311854.

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 4581131 - 2⁶ = 4581067 is a prime.

It is a super-2 number, since 2×4581131² = 41973522478322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4581097 and 4581106.

It is not an unprimeable number, because it can be changed into a prime (4581139) 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, 7856 + ... + 8418.

It is an arithmetic number, because the mean of its divisors is an integer number (586560).

Almost surely, 2^4581131 is an apocalyptic number.

4581131 is a deficient number, since it is larger than the sum of its proper divisors (111349).

4581131 is a wasteful number, since it uses less digits than its factorization.

4581131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745.

The product of its digits is 480, while the sum is 23.

The square root of 4581131 is about 2140.3576803890. The cubic root of 4581131 is about 166.0826389715.

Adding to 4581131 its reverse (1311854), we get a palindrome (5892985).

The spelling of 4581131 in words is "four million, five hundred eighty-one thousand, one hundred thirty-one".