5258162081 has 2 divisors, whose sum is σ = 5258162082. Its totient is φ = 5258162080.

The previous prime is 5258162047. The next prime is 5258162131. The reversal of 5258162081 is 1802618525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4069291681 + 1188870400 = 63791^2 + 34480^2 .

It is a cyclic number.

It is not a de Polignac number, because 5258162081 - 2⁶ = 5258162017 is a prime.

It is a super-2 number, since 2×5258162081² = 55296536940132501122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5258102081) 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, 2629081040 + 2629081041.

It is an arithmetic number, because the mean of its divisors is an integer number (2629081041).

Almost surely, 2^5258162081 is an apocalyptic number.

It is an amenable number.

5258162081 is a deficient number, since it is larger than the sum of its proper divisors (1).

5258162081 is an equidigital number, since it uses as much as digits as its factorization.

5258162081 is an odious number, because the sum of its binary digits is odd.

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

The square root of 5258162081 is about 72513.1855664885. The cubic root of 5258162081 is about 1738.9135421504.

The spelling of 5258162081 in words is "five billion, two hundred fifty-eight million, one hundred sixty-two thousand, eighty-one".