4825665281 has 2 divisors, whose sum is σ = 4825665282. Its totient is φ = 4825665280.

The previous prime is 4825665269. The next prime is 4825665379. The reversal of 4825665281 is 1825665284.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2422214656 + 2403450625 = 49216^2 + 49025^2 .

It is a cyclic number.

It is not a de Polignac number, because 4825665281 - 2⁶ = 4825665217 is a prime.

It is a super-2 number, since 2×4825665281² = 46574090808497617922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4825665181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2412832640 + 2412832641.

It is an arithmetic number, because the mean of its divisors is an integer number (2412832641).

Almost surely, 2^4825665281 is an apocalyptic number.

It is an amenable number.

4825665281 is a deficient number, since it is larger than the sum of its proper divisors (1).

4825665281 is an equidigital number, since it uses as much as digits as its factorization.

4825665281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 921600, while the sum is 47.

The square root of 4825665281 is about 69467.0085796128. The cubic root of 4825665281 is about 1689.8665068512.

The spelling of 4825665281 in words is "four billion, eight hundred twenty-five million, six hundred sixty-five thousand, two hundred eighty-one".