5881581 has 12 divisors (see below), whose sum is σ = 8517600. Its totient is φ = 3910920.

The previous prime is 5881567. The next prime is 5881597. The reversal of 5881581 is 1851885.

It is not a de Polignac number, because 5881581 - 2⁶ = 5881517 is a prime.

It is a super-2 number, since 2×5881581² = 69185990119122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5881501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4846 + ... + 5936.

It is an arithmetic number, because the mean of its divisors is an integer number (709800).

Almost surely, 2^5881581 is an apocalyptic number.

It is an amenable number.

5881581 is a deficient number, since it is larger than the sum of its proper divisors (2636019).

5881581 is a wasteful number, since it uses less digits than its factorization.

5881581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696 (or 1693 counting only the distinct ones).

The product of its digits is 12800, while the sum is 36.

The square root of 5881581 is about 2425.1971053916. The cubic root of 5881581 is about 180.5086538567.

The spelling of 5881581 in words is "five million, eight hundred eighty-one thousand, five hundred eighty-one".