565481480205997 has 2 divisors, whose sum is σ = 565481480205998. Its totient is φ = 565481480205996.

The previous prime is 565481480205979. The next prime is 565481480206037. The reversal of 565481480205997 is 799502084184565.

It is a happy number.

Together with previous prime (565481480205979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 388453904866756 + 177027575339241 = 19709234^2 + 13305171^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-565481480205997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (565481480605997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282740740102998 + 282740740102999.

It is an arithmetic number, because the mean of its divisors is an integer number (282740740102999).

Almost surely, 2^{565481480205997} is an apocalyptic number.

It is an amenable number.

565481480205997 is a deficient number, since it is larger than the sum of its proper divisors (1).

565481480205997 is an equidigital number, since it uses as much as digits as its factorization.

565481480205997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912000, while the sum is 73.

The spelling of 565481480205997 in words is "five hundred sixty-five trillion, four hundred eighty-one billion, four hundred eighty million, two hundred five thousand, nine hundred ninety-seven".