5280581 has 4 divisors (see below), whose sum is σ = 5462700. Its totient is φ = 5098464.

The previous prime is 5280553. The next prime is 5280589. The reversal of 5280581 is 1850825.

5280581 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 3204100 + 2076481 = 1790^2 + 1441^2 .

It is a cyclic number.

It is not a de Polignac number, because 5280581 - 2¹⁸ = 5018437 is a prime.

It is a super-2 number, since 2×5280581² = 55769071395122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 182089 = 5280581 / (5 + 2 + 8 + 0 + 5 + 8 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5280589) 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, 91016 + ... + 91073.

It is an arithmetic number, because the mean of its divisors is an integer number (1365675).

Almost surely, 2^5280581 is an apocalyptic number.

It is an amenable number.

5280581 is a deficient number, since it is larger than the sum of its proper divisors (182119).

5280581 is a wasteful number, since it uses less digits than its factorization.

5280581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182118.

The product of its (nonzero) digits is 3200, while the sum is 29.

The square root of 5280581 is about 2297.9514790352. The cubic root of 5280581 is about 174.1381406188.

The spelling of 5280581 in words is "five million, two hundred eighty thousand, five hundred eighty-one".