563361397 has 2 divisors, whose sum is σ = 563361398. Its totient is φ = 563361396.

The previous prime is 563361389. The next prime is 563361437. The reversal of 563361397 is 793163365.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 287336401 + 276024996 = 16951^2 + 16614^2 .

It is a cyclic number.

It is not a de Polignac number, because 563361397 - 2³ = 563361389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (563361347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281680698 + 281680699.

It is an arithmetic number, because the mean of its divisors is an integer number (281680699).

Almost surely, 2^563361397 is an apocalyptic number.

It is an amenable number.

563361397 is a deficient number, since it is larger than the sum of its proper divisors (1).

563361397 is an equidigital number, since it uses as much as digits as its factorization.

563361397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 306180, while the sum is 43.

The square root of 563361397 is about 23735.2353474744. The cubic root of 563361397 is about 825.9029706802.

The spelling of 563361397 in words is "five hundred sixty-three million, three hundred sixty-one thousand, three hundred ninety-seven".