565614961 has 2 divisors, whose sum is σ = 565614962. Its totient is φ = 565614960.

The previous prime is 565614953. The next prime is 565614977. The reversal of 565614961 is 169416565.

565614961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 290054961 + 275560000 = 17031^2 + 16600^2 .

It is a cyclic number.

It is not a de Polignac number, because 565614961 - 2³ = 565614953 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (565614941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282807480 + 282807481.

It is an arithmetic number, because the mean of its divisors is an integer number (282807481).

Almost surely, 2^565614961 is an apocalyptic number.

It is an amenable number.

565614961 is a deficient number, since it is larger than the sum of its proper divisors (1).

565614961 is an equidigital number, since it uses as much as digits as its factorization.

565614961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 43.

The square root of 565614961 is about 23782.6609318638. The cubic root of 565614961 is about 827.0027673345.

The spelling of 565614961 in words is "five hundred sixty-five million, six hundred fourteen thousand, nine hundred sixty-one".