5262666881 has 2 divisors, whose sum is σ = 5262666882. Its totient is φ = 5262666880.

The previous prime is 5262666833. The next prime is 5262666883. The reversal of 5262666881 is 1886662625.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4570976881 + 691690000 = 67609^2 + 26300^2 .

It is a cyclic number.

It is not a de Polignac number, because 5262666881 - 2⁶ = 5262666817 is a prime.

It is a super-2 number, since 2×5262666881² = 55391325400748536322, which contains 22 as substring.

Together with 5262666883, 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 (5262666883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2631333440 + 2631333441.

It is an arithmetic number, because the mean of its divisors is an integer number (2631333441).

Almost surely, 2^5262666881 is an apocalyptic number.

It is an amenable number.

5262666881 is a deficient number, since it is larger than the sum of its proper divisors (1).

5262666881 is an equidigital number, since it uses as much as digits as its factorization.

5262666881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1658880, while the sum is 50.

The square root of 5262666881 is about 72544.2408534268. The cubic root of 5262666881 is about 1739.4099907591.

The spelling of 5262666881 in words is "five billion, two hundred sixty-two million, six hundred sixty-six thousand, eight hundred eighty-one".