296338561 has 2 divisors, whose sum is σ = 296338562. Its totient is φ = 296338560.

The previous prime is 296338547. The next prime is 296338571. The reversal of 296338561 is 165833692.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 206468161 + 89870400 = 14369^2 + 9480^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-296338561 is a prime.

It is not a weakly prime, because it can be changed into another prime (296338571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 148169280 + 148169281.

It is an arithmetic number, because the mean of its divisors is an integer number (148169281).

Almost surely, 2^296338561 is an apocalyptic number.

It is an amenable number.

296338561 is a deficient number, since it is larger than the sum of its proper divisors (1).

296338561 is an equidigital number, since it uses as much as digits as its factorization.

296338561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 43.

The square root of 296338561 is about 17214.4869514023. The cubic root of 296338561 is about 666.6983636874.

The spelling of 296338561 in words is "two hundred ninety-six million, three hundred thirty-eight thousand, five hundred sixty-one".