5418481 has 4 divisors (see below), whose sum is σ = 5435892. Its totient is φ = 5401072.

The previous prime is 5418451. The next prime is 5418493. The reversal of 5418481 is 1848145.

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 1418481 + 4000000 = 1191^2 + 2000^2 .

It is a cyclic number.

It is not a de Polignac number, because 5418481 - 2⁷ = 5418353 is a prime.

It is a super-2 number, since 2×5418481² = 58719872694722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5418421) 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 in 3 ways as a sum of consecutive naturals, for example, 8230 + ... + 8863.

It is an arithmetic number, because the mean of its divisors is an integer number (1358973).

Almost surely, 2^5418481 is an apocalyptic number.

It is an amenable number.

5418481 is a deficient number, since it is larger than the sum of its proper divisors (17411).

5418481 is a wasteful number, since it uses less digits than its factorization.

5418481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17410.

The product of its digits is 5120, while the sum is 31.

The square root of 5418481 is about 2327.7630893199. The cubic root of 5418481 is about 175.6409800009.

The spelling of 5418481 in words is "five million, four hundred eighteen thousand, four hundred eighty-one".