861106033 has 2 divisors, whose sum is σ = 861106034. Its totient is φ = 861106032.

The previous prime is 861106031. The next prime is 861106063. The reversal of 861106033 is 330601168.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 859193344 + 1912689 = 29312^2 + 1383^2 .

It is a cyclic number.

It is not a de Polignac number, because 861106033 - 2¹ = 861106031 is a prime.

Together with 861106031, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 861105992 and 861106010.

It is not a weakly prime, because it can be changed into another prime (861106031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 430553016 + 430553017.

It is an arithmetic number, because the mean of its divisors is an integer number (430553017).

Almost surely, 2^861106033 is an apocalyptic number.

It is an amenable number.

861106033 is a deficient number, since it is larger than the sum of its proper divisors (1).

861106033 is an equidigital number, since it uses as much as digits as its factorization.

861106033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 861106033 is about 29344.6082441051. The cubic root of 861106033 is about 951.3760420841.

The spelling of 861106033 in words is "eight hundred sixty-one million, one hundred six thousand, thirty-three".