3006581 has 8 divisors (see below), whose sum is σ = 3088800. Its totient is φ = 2925520.

The previous prime is 3006551. The next prime is 3006599. The reversal of 3006581 is 1856003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3006581 is a prime.

It is a super-2 number, since 2×3006581² = 18079058619122, 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 (3006511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7535 + ... + 7923.

It is an arithmetic number, because the mean of its divisors is an integer number (386100).

Almost surely, 2^3006581 is an apocalyptic number.

It is an amenable number.

3006581 is a deficient number, since it is larger than the sum of its proper divisors (82219).

3006581 is a wasteful number, since it uses less digits than its factorization.

3006581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 3006581 is about 1733.9495379047. The cubic root of 3006581 is about 144.3303405031.

The spelling of 3006581 in words is "three million, six thousand, five hundred eighty-one".