5428581 has 4 divisors (see below), whose sum is σ = 7238112. Its totient is φ = 3619052.

The previous prime is 5428571. The next prime is 5428607. The reversal of 5428581 is 1858245.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5428581 - 2¹⁰ = 5427557 is a prime.

It is a super-2 number, since 2×5428581² = 58938983347122, which contains 22 as substring.

It is an Ulam number.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5428561) 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, 904761 + ... + 904766.

It is an arithmetic number, because the mean of its divisors is an integer number (1809528).

Almost surely, 2^5428581 is an apocalyptic number.

It is an amenable number.

5428581 is a deficient number, since it is larger than the sum of its proper divisors (1809531).

5428581 is a wasteful number, since it uses less digits than its factorization.

5428581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809530.

The product of its digits is 12800, while the sum is 33.

The square root of 5428581 is about 2329.9315440588. The cubic root of 5428581 is about 175.7500433352.

The spelling of 5428581 in words is "five million, four hundred twenty-eight thousand, five hundred eighty-one".