5427723281 has 2 divisors, whose sum is σ = 5427723282. Its totient is φ = 5427723280.

The previous prime is 5427723247. The next prime is 5427723283. The reversal of 5427723281 is 1823277245.

5427723281 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3199033600 + 2228689681 = 56560^2 + 47209^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5427723281 is a prime.

It is a super-2 number, since 2×5427723281² = 58920360030218809922, which contains 22 as substring.

Together with 5427723283, 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 (5427723283) 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, 2713861640 + 2713861641.

It is an arithmetic number, because the mean of its divisors is an integer number (2713861641).

Almost surely, 2^5427723281 is an apocalyptic number.

It is an amenable number.

5427723281 is a deficient number, since it is larger than the sum of its proper divisors (1).

5427723281 is an equidigital number, since it uses as much as digits as its factorization.

5427723281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 188160, while the sum is 41.

The square root of 5427723281 is about 73673.0838298493. The cubic root of 5427723281 is about 1757.4078664419.

The spelling of 5427723281 in words is "five billion, four hundred twenty-seven million, seven hundred twenty-three thousand, two hundred eighty-one".