5436881 has 2 divisors, whose sum is σ = 5436882. Its totient is φ = 5436880.

The previous prime is 5436863. The next prime is 5436883. The reversal of 5436881 is 1886345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3936256 + 1500625 = 1984^2 + 1225^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5436881 is a prime.

It is a super-2 number, since 2×5436881² = 59119350016322, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 5436883, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5436883) 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 as a sum of consecutive naturals, namely, 2718440 + 2718441.

It is an arithmetic number, because the mean of its divisors is an integer number (2718441).

Almost surely, 2^5436881 is an apocalyptic number.

It is an amenable number.

5436881 is a deficient number, since it is larger than the sum of its proper divisors (1).

5436881 is an equidigital number, since it uses as much as digits as its factorization.

5436881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 35.

The square root of 5436881 is about 2331.7120319628. The cubic root of 5436881 is about 175.8395684219.

The spelling of 5436881 in words is "five million, four hundred thirty-six thousand, eight hundred eighty-one".