566243253 has 12 divisors (see below), whose sum is σ = 818172940. Its totient is φ = 377372736.

The previous prime is 566243219. The next prime is 566243257. The reversal of 566243253 is 352342665.

566243253 is a `hidden beast` number, since 5 + 6 + 624 + 3 + 25 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 240188004 + 326055249 = 15498^2 + 18057^2 .

It is not a de Polignac number, because 566243253 - 2⁶ = 566243189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566243257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25575 + ... + 42267.

Almost surely, 2^566243253 is an apocalyptic number.

It is an amenable number.

566243253 is a deficient number, since it is larger than the sum of its proper divisors (251929687).

566243253 is a wasteful number, since it uses less digits than its factorization.

566243253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20468 (or 20465 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

The square root of 566243253 is about 23795.8663006834. The cubic root of 566243253 is about 827.3088689435.

The spelling of 566243253 in words is "five hundred sixty-six million, two hundred forty-three thousand, two hundred fifty-three".