565252263 has 12 divisors (see below), whose sum is σ = 846715688. Its totient is φ = 376834680.

The previous prime is 565252241. The next prime is 565252279. The reversal of 565252263 is 362252565.

565252263 is a `hidden beast` number, since 56 + 525 + 22 + 63 = 666.

It is not a de Polignac number, because 565252263 - 2⁵ = 565252231 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 (565252283) 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, 1162828 + ... + 1163313.

Almost surely, 2^565252263 is an apocalyptic number.

565252263 is a deficient number, since it is larger than the sum of its proper divisors (281463425).

565252263 is an equidigital number, since it uses as much as digits as its factorization.

565252263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2326156 (or 2326144 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 565252263 is about 23775.0344479246. The cubic root of 565252263 is about 826.8259589592.

The spelling of 565252263 in words is "five hundred sixty-five million, two hundred fifty-two thousand, two hundred sixty-three".