10808581 has 4 divisors (see below), whose sum is σ = 12352672. Its totient is φ = 9264492.

The previous prime is 10808569. The next prime is 10808591. The reversal of 10808581 is 18580801.

It is a happy number.

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 10808581 - 2¹¹ = 10806533 is a prime.

It is a super-2 number, since 2×10808581² = 233650846467122, which contains 22 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 (10808531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 772035 + ... + 772048.

It is an arithmetic number, because the mean of its divisors is an integer number (3088168).

Almost surely, 2^10808581 is an apocalyptic number.

It is an amenable number.

10808581 is a deficient number, since it is larger than the sum of its proper divisors (1544091).

10808581 is an equidigital number, since it uses as much as digits as its factorization.

10808581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544090.

The product of its (nonzero) digits is 2560, while the sum is 31.

The square root of 10808581 is about 3287.6406433794. The cubic root of 10808581 is about 221.1004164101.

The spelling of 10808581 in words is "ten million, eight hundred eight thousand, five hundred eighty-one".