5581471 has 4 divisors (see below), whose sum is σ = 6378832. Its totient is φ = 4784112.

The previous prime is 5581469. The next prime is 5581489. The reversal of 5581471 is 1741855.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5581471 - 2¹ = 5581469 is a prime.

It is a super-3 number, since 3×5581471³ (a number of 21 digits) contains 333 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 (5581451) 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, 398670 + ... + 398683.

It is an arithmetic number, because the mean of its divisors is an integer number (1594708).

Almost surely, 2^5581471 is an apocalyptic number.

5581471 is a deficient number, since it is larger than the sum of its proper divisors (797361).

5581471 is an equidigital number, since it uses as much as digits as its factorization.

5581471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797360.

The product of its digits is 5600, while the sum is 31.

The square root of 5581471 is about 2362.5137036640. The cubic root of 5581471 is about 177.3847271124.

The spelling of 5581471 in words is "five million, five hundred eighty-one thousand, four hundred seventy-one".