3566081 has 4 divisors (see below), whose sum is σ = 3721152. Its totient is φ = 3411012.

The previous prime is 3566063. The next prime is 3566099. The reversal of 3566081 is 1806653.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1806653 = 19 ⋅95087.

It is an interprime number because it is at equal distance from previous prime (3566063) and next prime (3566099).

It is a cyclic number.

It is not a de Polignac number, because 3566081 - 2¹⁴ = 3549697 is a prime.

It is a super-2 number, since 2×3566081² = 25433867397122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3536081) 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, 77501 + ... + 77546.

It is an arithmetic number, because the mean of its divisors is an integer number (930288).

Almost surely, 2^3566081 is an apocalyptic number.

It is an amenable number.

3566081 is a deficient number, since it is larger than the sum of its proper divisors (155071).

3566081 is a wasteful number, since it uses less digits than its factorization.

3566081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155070.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 3566081 is about 1888.4070006225. The cubic root of 3566081 is about 152.7790251309.

The spelling of 3566081 in words is "three million, five hundred sixty-six thousand, eighty-one".