5761681 has 4 divisors (see below), whose sum is σ = 5800500. Its totient is φ = 5722864.

The previous prime is 5761673. The next prime is 5761687. The reversal of 5761681 is 1861675.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 739600 + 5022081 = 860^2 + 2241^2 .

It is a cyclic number.

It is not a de Polignac number, because 5761681 - 2³ = 5761673 is a prime.

It is a super-2 number, since 2×5761681² = 66393935891522, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5761687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19186 + ... + 19483.

It is an arithmetic number, because the mean of its divisors is an integer number (1450125).

Almost surely, 2^5761681 is an apocalyptic number.

It is an amenable number.

5761681 is a deficient number, since it is larger than the sum of its proper divisors (38819).

5761681 is a wasteful number, since it uses less digits than its factorization.

5761681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38818.

The product of its digits is 10080, while the sum is 34.

The square root of 5761681 is about 2400.3501827858. The cubic root of 5761681 is about 179.2736262249.

It can be divided in two parts, 576 and 1681, that multiplied together give a square (968256 = 984²).

The spelling of 5761681 in words is "five million, seven hundred sixty-one thousand, six hundred eighty-one".