563720273 has 2 divisors, whose sum is σ = 563720274. Its totient is φ = 563720272.

The previous prime is 563720233. The next prime is 563720281. The reversal of 563720273 is 372027365.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 308775184 + 254945089 = 17572^2 + 15967^2 .

It is a cyclic number.

It is not a de Polignac number, because 563720273 - 2¹⁰ = 563719249 is a prime.

It is not a weakly prime, because it can be changed into another prime (563720233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281860136 + 281860137.

It is an arithmetic number, because the mean of its divisors is an integer number (281860137).

Almost surely, 2^563720273 is an apocalyptic number.

It is an amenable number.

563720273 is a deficient number, since it is larger than the sum of its proper divisors (1).

563720273 is an equidigital number, since it uses as much as digits as its factorization.

563720273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 35.

The square root of 563720273 is about 23742.7941279033. The cubic root of 563720273 is about 826.0783074124.

The spelling of 563720273 in words is "five hundred sixty-three million, seven hundred twenty thousand, two hundred seventy-three".