8359961 has 2 divisors, whose sum is σ = 8359962. Its totient is φ = 8359960.

The previous prime is 8359957. The next prime is 8359963. The reversal of 8359961 is 1699538.

8359961 = 2044² + 2045².

8359961 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4182025 + 4177936 = 2045^2 + 2044^2 .

It is a cyclic number.

It is not a de Polignac number, because 8359961 - 2² = 8359957 is a prime.

Together with 8359963, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8359963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4179980 + 4179981.

It is an arithmetic number, because the mean of its divisors is an integer number (4179981).

Almost surely, 2^8359961 is an apocalyptic number.

8359961 is the 2045-th centered square number.

It is an amenable number.

8359961 is a deficient number, since it is larger than the sum of its proper divisors (1).

8359961 is an equidigital number, since it uses as much as digits as its factorization.

8359961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 41.

The square root of 8359961 is about 2891.3597147363. The cubic root of 8359961 is about 202.9557767241.

The spelling of 8359961 in words is "eight million, three hundred fifty-nine thousand, nine hundred sixty-one".