5775881 has 2 divisors, whose sum is σ = 5775882. Its totient is φ = 5775880.

The previous prime is 5775863. The next prime is 5775883. The reversal of 5775881 is 1885775.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3644281 + 2131600 = 1909^2 + 1460^2 .

It is a cyclic number.

It is not a de Polignac number, because 5775881 - 2²² = 1581577 is a prime.

It is a super-2 number, since 2×5775881² = 66721602652322, which contains 22 as substring.

Together with 5775883, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5775883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2887940 + 2887941.

It is an arithmetic number, because the mean of its divisors is an integer number (2887941).

Almost surely, 2^5775881 is an apocalyptic number.

It is an amenable number.

5775881 is a deficient number, since it is larger than the sum of its proper divisors (1).

5775881 is an equidigital number, since it uses as much as digits as its factorization.

5775881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 78400, while the sum is 41.

The square root of 5775881 is about 2403.3062642951. The cubic root of 5775881 is about 179.4207821806.

The spelling of 5775881 in words is "five million, seven hundred seventy-five thousand, eight hundred eighty-one".