568303121 has 2 divisors, whose sum is σ = 568303122. Its totient is φ = 568303120.

The previous prime is 568303079. The next prime is 568303123. The reversal of 568303121 is 121303865.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 568154896 + 148225 = 23836^2 + 385^2 .

It is a cyclic number.

It is not a de Polignac number, because 568303121 - 2²⁶ = 501194257 is a prime.

It is a Sophie Germain prime.

Together with 568303123, 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 (568303123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 284151560 + 284151561.

It is an arithmetic number, because the mean of its divisors is an integer number (284151561).

Almost surely, 2^568303121 is an apocalyptic number.

It is an amenable number.

568303121 is a deficient number, since it is larger than the sum of its proper divisors (1).

568303121 is an equidigital number, since it uses as much as digits as its factorization.

568303121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 568303121 is about 23839.1090647281. The cubic root of 568303121 is about 828.3108439695.

Adding to 568303121 its reverse (121303865), we get a palindrome (689606986).

The spelling of 568303121 in words is "five hundred sixty-eight million, three hundred three thousand, one hundred twenty-one".