5581073 has 4 divisors (see below), whose sum is σ = 5672628. Its totient is φ = 5489520.

The previous prime is 5581067. The next prime is 5581091. The reversal of 5581073 is 3701855.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3701855 = 5 ⋅740371.

It can be written as a sum of positive squares in 2 ways, for example, as 2982529 + 2598544 = 1727^2 + 1612^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5581073 is a prime.

It is a super-2 number, since 2×5581073² = 62296751662658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5581973) 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, 45686 + ... + 45807.

It is an arithmetic number, because the mean of its divisors is an integer number (1418157).

Almost surely, 2^5581073 is an apocalyptic number.

It is an amenable number.

5581073 is a deficient number, since it is larger than the sum of its proper divisors (91555).

5581073 is an equidigital number, since it uses as much as digits as its factorization.

5581073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91554.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 5581073 is about 2362.4294698467. The cubic root of 5581073 is about 177.3805107329.

The spelling of 5581073 in words is "five million, five hundred eighty-one thousand, seventy-three".