1083610961 has 2 divisors, whose sum is σ = 1083610962. Its totient is φ = 1083610960.

The previous prime is 1083610873. The next prime is 1083610963. The reversal of 1083610961 is 1690163801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 910530625 + 173080336 = 30175^2 + 13156^2 .

It is a cyclic number.

It is not a de Polignac number, because 1083610961 - 2³⁰ = 9869137 is a prime.

It is a Sophie Germain prime.

Together with 1083610963, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1083610963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541805480 + 541805481.

It is an arithmetic number, because the mean of its divisors is an integer number (541805481).

Almost surely, 2^1083610961 is an apocalyptic number.

It is an amenable number.

1083610961 is a deficient number, since it is larger than the sum of its proper divisors (1).

1083610961 is an equidigital number, since it uses as much as digits as its factorization.

1083610961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 1083610961 is about 32918.2466270608. The cubic root of 1083610961 is about 1027.1277508931.

The spelling of 1083610961 in words is "one billion, eighty-three million, six hundred ten thousand, nine hundred sixty-one".