5676581 has 4 divisors (see below), whose sum is σ = 5681952. Its totient is φ = 5671212.

The previous prime is 5676571. The next prime is 5676617. The reversal of 5676581 is 1856765.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1856765 = 5 ⋅371353.

It is a cyclic number.

It is not a de Polignac number, because 5676581 - 2¹⁰ = 5675557 is a prime.

It is a super-2 number, since 2×5676581² = 64447143699122, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5676551) 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, 515 + ... + 3408.

It is an arithmetic number, because the mean of its divisors is an integer number (1420488).

Almost surely, 2^5676581 is an apocalyptic number.

It is an amenable number.

5676581 is a deficient number, since it is larger than the sum of its proper divisors (5371).

5676581 is a wasteful number, since it uses less digits than its factorization.

5676581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5370.

The product of its digits is 50400, while the sum is 38.

The square root of 5676581 is about 2382.5576593233. The cubic root of 5676581 is about 178.3866212393.

The spelling of 5676581 in words is "five million, six hundred seventy-six thousand, five hundred eighty-one".