565213927 has 2 divisors, whose sum is σ = 565213928. Its totient is φ = 565213926.

The previous prime is 565213897. The next prime is 565213939. The reversal of 565213927 is 729312565.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 565213927 - 2¹¹ = 565211879 is a prime.

It is a super-2 number, since 2×565213927² = 638933566549522658, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 565213927.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (565213967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282606963 + 282606964.

It is an arithmetic number, because the mean of its divisors is an integer number (282606964).

Almost surely, 2^565213927 is an apocalyptic number.

565213927 is a deficient number, since it is larger than the sum of its proper divisors (1).

565213927 is an equidigital number, since it uses as much as digits as its factorization.

565213927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 40.

The square root of 565213927 is about 23774.2282103962. The cubic root of 565213927 is about 826.8072664694.

The spelling of 565213927 in words is "five hundred sixty-five million, two hundred thirteen thousand, nine hundred twenty-seven".