5445082081 has 2 divisors, whose sum is σ = 5445082082. Its totient is φ = 5445082080.

The previous prime is 5445082063. The next prime is 5445082109. The reversal of 5445082081 is 1802805445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5348728225 + 96353856 = 73135^2 + 9816^2 .

It is a cyclic number.

It is not a de Polignac number, because 5445082081 - 2⁷ = 5445081953 is a prime.

It is a super-2 number, since 2×5445082081² = 59297837737654581122, 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 5445082081.

It is not a weakly prime, because it can be changed into another prime (5445082001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2722541040 + 2722541041.

It is an arithmetic number, because the mean of its divisors is an integer number (2722541041).

Almost surely, 2^5445082081 is an apocalyptic number.

It is an amenable number.

5445082081 is a deficient number, since it is larger than the sum of its proper divisors (1).

5445082081 is an equidigital number, since it uses as much as digits as its factorization.

5445082081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51200, while the sum is 37.

The square root of 5445082081 is about 73790.7994332627. The cubic root of 5445082081 is about 1759.2793710656.

The spelling of 5445082081 in words is "five billion, four hundred forty-five million, eighty-two thousand, eighty-one".