568390961 has 2 divisors, whose sum is σ = 568390962. Its totient is φ = 568390960.

The previous prime is 568390957. The next prime is 568390987. The reversal of 568390961 is 169093865.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 541027600 + 27363361 = 23260^2 + 5231^2 .

It is a cyclic number.

It is not a de Polignac number, because 568390961 - 2² = 568390957 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (568390931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 284195480 + 284195481.

It is an arithmetic number, because the mean of its divisors is an integer number (284195481).

Almost surely, 2^568390961 is an apocalyptic number.

It is an amenable number.

568390961 is a deficient number, since it is larger than the sum of its proper divisors (1).

568390961 is an equidigital number, since it uses as much as digits as its factorization.

568390961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 47.

The square root of 568390961 is about 23840.9513442732. The cubic root of 568390961 is about 828.3535178370.

The spelling of 568390961 in words is "five hundred sixty-eight million, three hundred ninety thousand, nine hundred sixty-one".