8242361 has 2 divisors, whose sum is σ = 8242362. Its totient is φ = 8242360.

The previous prime is 8242337. The next prime is 8242363. The reversal of 8242361 is 1632428.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7812025 + 430336 = 2795^2 + 656^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8242361 is a prime.

Together with 8242363, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8242361.

It is not a weakly prime, because it can be changed into another prime (8242363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4121180 + 4121181.

It is an arithmetic number, because the mean of its divisors is an integer number (4121181).

Almost surely, 2^8242361 is an apocalyptic number.

It is an amenable number.

8242361 is a deficient number, since it is larger than the sum of its proper divisors (1).

8242361 is an equidigital number, since it uses as much as digits as its factorization.

8242361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 26.

The square root of 8242361 is about 2870.9512360888. The cubic root of 8242361 is about 201.9996160500. Note that the first 3 decimals are identical.

Adding to 8242361 its reverse (1632428), we get a palindrome (9874789).

The spelling of 8242361 in words is "eight million, two hundred forty-two thousand, three hundred sixty-one".