2025838081 has 2 divisors, whose sum is σ = 2025838082. Its totient is φ = 2025838080.

The previous prime is 2025838069. The next prime is 2025838117. The reversal of 2025838081 is 1808385202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1506681856 + 519156225 = 38816^2 + 22785^2 .

It is a cyclic number.

It is not a de Polignac number, because 2025838081 - 2¹⁷ = 2025707009 is a prime.

It is a super-2 number, since 2×2025838081² = 8208039860859525122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2025838081.

It is not a weakly prime, because it can be changed into another prime (2025838051) 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, 1012919040 + 1012919041.

It is an arithmetic number, because the mean of its divisors is an integer number (1012919041).

Almost surely, 2^2025838081 is an apocalyptic number.

It is an amenable number.

2025838081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2025838081 is an equidigital number, since it uses as much as digits as its factorization.

2025838081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 2025838081 is about 45009.3110478265. The cubic root of 2025838081 is about 1265.3235084212.

The spelling of 2025838081 in words is "two billion, twenty-five million, eight hundred thirty-eight thousand, eighty-one".