601103081 has 2 divisors, whose sum is σ = 601103082. Its totient is φ = 601103080.

The previous prime is 601103059. The next prime is 601103123. The reversal of 601103081 is 180301106.

601103081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 461863081 + 139240000 = 21491^2 + 11800^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-601103081 is a prime.

It is a super-2 number, since 2×601103081² = 722649827975385122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (601103011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300551540 + 300551541.

It is an arithmetic number, because the mean of its divisors is an integer number (300551541).

Almost surely, 2^601103081 is an apocalyptic number.

It is an amenable number.

601103081 is a deficient number, since it is larger than the sum of its proper divisors (1).

601103081 is an equidigital number, since it uses as much as digits as its factorization.

601103081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 601103081 is about 24517.4036349692. The cubic root of 601103081 is about 843.9492236211.

Adding to 601103081 its reverse (180301106), we get a palindrome (781404187).

The spelling of 601103081 in words is "six hundred one million, one hundred three thousand, eighty-one".