5581065 has 32 divisors (see below), whose sum is σ = 10653696. Its totient is φ = 2439360.

The previous prime is 5581061. The next prime is 5581067. The reversal of 5581065 is 5601855.

It is a happy number.

It is not a de Polignac number, because 5581065 - 2² = 5581061 is a prime.

It is a super-2 number, since 2×5581065² = 62296573068450, which contains 22 as substring.

5581065 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5581061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1260 + ... + 3570.

It is an arithmetic number, because the mean of its divisors is an integer number (332928).

Almost surely, 2^5581065 is an apocalyptic number.

It is an amenable number.

5581065 is a deficient number, since it is larger than the sum of its proper divisors (5072631).

5581065 is a wasteful number, since it uses less digits than its factorization.

5581065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349.

The product of its (nonzero) digits is 6000, while the sum is 30.

The square root of 5581065 is about 2362.4277766738. The cubic root of 5581065 is about 177.3804259795.

The spelling of 5581065 in words is "five million, five hundred eighty-one thousand, sixty-five".