5156282081 has 2 divisors, whose sum is σ = 5156282082. Its totient is φ = 5156282080.

The previous prime is 5156282023. The next prime is 5156282083. The reversal of 5156282081 is 1802826515.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4416931600 + 739350481 = 66460^2 + 27191^2 .

It is a cyclic number.

It is not a de Polignac number, because 5156282081 - 2²² = 5152087777 is a prime.

It is a super-2 number, since 2×5156282081² = 53174489797683381122, which contains 22 as substring.

Together with 5156282083, 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 (5156282083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2578141040 + 2578141041.

It is an arithmetic number, because the mean of its divisors is an integer number (2578141041).

Almost surely, 2^5156282081 is an apocalyptic number.

It is an amenable number.

5156282081 is a deficient number, since it is larger than the sum of its proper divisors (1).

5156282081 is an equidigital number, since it uses as much as digits as its factorization.

5156282081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38400, while the sum is 38.

The square root of 5156282081 is about 71807.2564647891. The cubic root of 5156282081 is about 1727.6093904172.

The spelling of 5156282081 in words is "five billion, one hundred fifty-six million, two hundred eighty-two thousand, eighty-one".